← Table of contents
Guide to the study of animal ecology

INDEX

Reading edition

Abbreviations, 69

Acalyptrate Muscidæ, larval food-habits, 78

Accidents, 62

Acridiidæ,

courtship, 117

habitats, 148

Adaptation,

adjustive, 10

and evolution, 97

as a process, 9

as a product, 9

theory, 136

Adirondacks, aquatic insects, 75

Adjustment of organisms, process of, 122

Adjustment, process of, 5, 30, 31, 33, 122

Age of lower organisms, 97

Aggregate, 8

as agent or entity, 4

ecology, 4, 23, 24, 133

Aggregations, 27, 145

dynamic relations of, 130

Agricultural reports of the U. S. patent office, index, 72

Air, vegetational control of relative evaporating power of, 90

vegetational control of relative humidity, 90

Alluvial flats, vegetational invasion, 89

Alps, soil fauna, 144

Alternating generations of oak gall flies, 143

Ambrosia beetles, 127

American lobster, natural history, 113

Amia calva, natural history, 117

Amphibians,

associations of desert species, 148

collecting, 58

desert species, 148

food of desert species, 148

reactions to light, 116

Amphioxus,

behavior, 116

sensory reactions, 116

Amphipods,

distribution of fresh-water, 111

food of fresh-water, 111

reproductive capacity of fresh-water, 111

salt-marsh, habits and life history, 119

Amphithoe longimana Smith, habits and natural history, 113

Animal and plant associations of arid region, 148, 149

Animal associations, and marine vegetation, 89

and vegetation, 90

of a lake shore, 134

Animal behavior, 107, 121

as a process, 102

Bohn’s studies in, 107

limits of study, 103

Animal communities, 133, 134

Animal ecology,

of Chicago region, 134

of Cold Spring sand spit, 136

of seashore, 63, 64

of shore, 139

Animal galls, 143

Animal geography, physiological, 101

Animal intelligence,

development, 115

evolution, 114

nature, 115

raccoon, 111

Animal life,

ecological distribution in New Mexico, 148

of sea-bottom, 63, 136

of sea-bottom, food, 136

of sea-bottom, quantity, 136

mind, 106

psychology, 106, 120

societies, 132, 133, 146

substances, influence upon insects, 135

visitors to flowers, systematic alphabetic list, 142

Animals,

adjustment between environment and, 122

and plant galls, 141

and pollination, 141, 142

collecting, directions, 57

competing in new territory, 126

distribution, physiological, 101

fresh-water, 78

of Lower Elbe, 138

of seashore, 146

of small stream, 147, 148

of soils, 86

orientation, 118

play, 112

responses (locomotor) to white light, 107

seasonal succession, 140

subterranean, 58

variation, 96

Annelids, behavior of tubicolous, 112

Ant, ethological observations on an American, 120

Ant-colony,

as organism, 131

as unit, 131

Anthophilous insect fauna, ecological relations to entomophilous flora, 142

Ants, 111

and fungi, 128

and plants, 126, 127

Arthropods living with, 130

associations, 149

associations by habitats, 149

behavior, 120

bibliography, 120

development, 120

ecological study, 137

European, comparative ethology, 149

habitat associations, 149

habitats, 120

keys to ecological relations of, in Bismarck Archipelago, 137

nesting habits of, in Bismarck Archipelago, 137

nests, 127

North American, comparative ethology, 149

quantitative data on, 137

psychology, 120

slaves, 120

structure, 120

Aplopus Mayeri, habits, reactions, and mating instincts, 119

Applied ecology, 125, 131

Application of the process method, 86

Aquatic animals, photography, 63

Aquatic Chrysomelidæ, 75

Aquatic insects, 75

immature, keys, 75

in Adirondacks, 75

Aquatic nematocerous Diptera, 75

Aquatic resources, 24

Aquiculture, 21

Araneads,

activities, 115

courtship of, significance, 115

secondary sexual characters, 115

Arbacia punctulata, 99

Argiope, habits and instincts, 117

Arid region,

animal and plant associations, 148, 149

associations, 149

habitats, 149

Arizona,

Amphibians, 148

cactus and insect fauna, 135

reptiles, 148

Army cooks’ manual, 58

Art,

of ecology, 33

of presentation, 67

Arthropods,

effect of caves on, 101

living with ants, 130

living with termites, 130

Artificial and “pathological” conditions, 27

Association, 4, 5, 6, 8, 27, 60, 132, 139, 145

Associational ecology, 5, 24, 29

Associational optimum, 94

Associational relation, of pollination, 141, 142

Associational study,

of birds, Illinois, 146

of lake fauna, 140

of sand prairies of Illinois, 139

of sea beach, 136

of shore animals, 139

Associational unit, and individual ecology, 131

Associations,

amphibian, 148

animal, 137, 138

animal, local, 134

ants, 149

as agent, 5

biotic, 29

biotic, of sand areas, 146

cave, 143

climax biotic, 30

dynamic relations of, 130

fish, of Illinois, 140

fish, in lake, 147

human, 10, 11

lake fish, 147

making to order, 33

mammal, 145

marine animals, 135, 136

methods of studying local, 14

mollusks, 137, 138

natural or normal, 34

reptiles, 148

resemble plays, 47

sand flats, 136, 137

short-horned grasshoppers, 148

succession, 91

Asterias Forbesi, direction of locomotion, 110

Asterias Forreri De Loriol, behavior, 105

Atmospheric conditions about woodlands, 91

Atta sexdens, colonies founded by, 128

Authors,

guide, 68

suggestions to, 68

Australasia, cryptozoic fauna, 144

Balance of nature, 28, 29, 123

Bark beetles, 76

and fungi, 127

Bark of trees, fauna under, 144

Baseleveling, 86

faunal significance, 86

Bass, black, as a microcosmic center, 49

Bats, habits and sensory adaptations of cave-inhabiting, 112

Beach,

associational study of a sea, 136

beetles of an Oregon, 149

Beach flea,

habits, 119

life history, 119

Beach, sea, as animal habitat, 136

Bee,

burrowing, 134

community of Epinomia triangulifera Vachal, 139

community, parasitic interrelations, 139

fauna of dunes, 139

humble, 119

Bees,

and flowers, 141

as reflex machines, 109

Beetles,

Ambrosia, 127

bark, 76

evolution in Chrysomelid, 119

food of predaceous, 126, 130

habitats, 145

hymenopterous hosts, 139

hypermetamorphic, 139

immature stages, 75

longicorn, food habits, 77

of an Oregon beach, 149

predaceous, food, 126, 130

seasonal succession of, 140

snout, 76

succession of, 145

Behavior, 92, 93

Amphioxus, 116

and natural environment, 110

animal, 167

animal. See also Animal behavior

animal, as a process, 102

ants, 120

birds, 121

Bombus, 120

Collembola, 136

cuckoo, 113

fixed and changeable responses, 104

human, 133

Hydroides Dianthus V., modifiability, 106

ideals and conclusions, 114

Isopods, surface and subterranean, 108

laws, 103

leech, 121

Leptinotarsa, 119

Limulus, 105

lizard, 116

lobster, immature stages, 105

lower organisms, 96, 105, 107

method of regulation, 105

modifiability, 93, 105, 106

mud snail, 111

nature, study of in, 39

Necturus, 121

orderly sequence, 113

organisms, 115

physiology, 107

Planarians, fresh-water, 116, 120

pond snail, 120

social wasps, 111

sponges, 116

squirrels, 121

terns, noddy and sooty, 120

tree frogs, 112

tubicolous annelids, 112

Turbellarian, marine, 127

“walking stick,” 119

Belostoma (= Zaitha) flumineum Say, death-feigning, 118

Bibliography, 71

animals and pollination, 141, 142

ants, 120

bark beetles, 76

caterpillars, 74

ecological succession of birds, 124

economic entomology (American), 71, 75

environmental influences upon insects, 96, 97

flowers and insects, 141, 142

food of birds, 130

forest insects, 74

fresh-water biology, 78

Hymenoptera of N. America, 73

insects, 74, 75

mammals, North American, 107

medical zoölogy, 129

plant ecology, 89

snout beetles, 76

veterinary zoölogy, 129

Biocœnose, 18

or community, 7

Biocœnosis, 6, 7, 29

Biocönose, 18

Halictus, 134

Biocönosis, 131

Biocönotic, 18

Biologia Centrali-Americana, 23

Biologic relations of plants and ants, 126, 127

Biological significance,

of dissolved gases of water, 87

of thermocline, 87

Biological survey,

of U. S., index to papers on, 128

ecological in methods, 114

Biology, 1, 2, 18, 60

butterflies, 118

lower Danube delta, 145

Orthoptera, 101

Physa, 110

relation to geological investigation, 22

relation to man, 11, 12

sand areas of Illinois, 146

Biometric ideas, 63

Biometric methods, 63

Bionomic base line, 30

Bionomics, 19, 21

green cells of Convoluta roscoffensis, 127

insects, 128

Bionomy, marine, and stratigraphy, 22

Biota, postglacial dispersal, 91

Biotic associations, 29, 91

sand areas, 146

sandy flats of seacoast, 136, 137

Biotic base, 30

Biotic community, 141

Biotic competition in tropics, 124

Biotic succession in media, 88

Bird census, sectional, 59

Bird habitats of Bismarck Archipelago, 137

Birds,

adaptations by insects to, 125

and man, 130

associational studies, 146

behavior, 121

breeding habits of North American, 109

collecting, 58

colonies, 120

decrease, 124

destruction by elements, 124

ecological succession, 21, 124, 133

economic value, 123, 126

eggs of North American, 109

food, 126, 128, 130

food of nestling, 128

habitat groups, 145, 146

habitat preferences, 148

habitats in summer, 146

instinct, 113

intelligence, 113

life histories of North American, 109

methods of study, 39, 60, 61

migration, 109

migration as a response, 109

noxious, introduction, 124

of a Maryland farm, 125

of Isle Royale, ecological distribution of, 148

photographing, 59, 61

protecting woodlands, 124

protection, 124

protection of useful, 127

quantitative study, 59, 60

regulative action upon insect oscillations, 123

statistical study, 59, 60

stomach contents, estimating, 62

study 39, 60, 61

Birds’ eggs, collecting, 58

Birds’ nests, collecting, 58

Bismarck Archipelago, bird habitats, 137

Black bass as a microcosmic center, 49

Blind species of cave fauna, origin, 144

Blissus leucopterus Say, 20

Blond ring-dove, 110

Blue flag, fruiting, 142

Bluebird, 117

Bluejay, 117

Bohn’s studies in animal behavior, 107

Boll worm, report on, 77

Bombus,

behavior, 120

see also Humble-bee

Borers, wood, 77

Brackish waters of Lower Elbe, fauna, 138

Breeding habits,

bark beetles, 76

birds, of North America, 109

crawfish, 108

horned dace, 63

snout beetles, 76

Bufo lentiginosus americanus Le Conte, 100

Bumble-bee,

see Bombus

see also Humble-bee

Burrowing bee, 134

Butterflies,

biology, 118

drinking habits, 119

food plants, 77

Cactus, Arizona, insect fauna, 135

Cactus,

giant, and its insect fauna, 135

insects, 135

Caithness, vegetation, 88

Caledonia Creek, N. Y., insects and animal forms, 147, 148

Cambarus, 113

Cambarus affinis, habit formation, 106

Camp cooking, 62

Camping, 57, 60, 61, 65

Capitalization, 69

Carabidæ,

early stages, 73

food relations, 127

Carbohydrates, effect on resistance to lack of oxygen, 99

Carbonic acid, reaction of fish to, 118

Card-index system for records, 64

Carrion-feeding insects, 146

Castration, parasitic, in insects, 130

Catalogues of governmental publications, 65

Caterpillars, 74

reactions, 106

Cave associations, 143

Cave environment, 144, 145

Cave fauna,

European, 144

origin of blind species, 144

Cave habitats, 112, 144

Cave-inhabiting bats, habits and sensory adaptations, 112

Cave life,

effect on Arthropods, 101

effect on nutrition, 101

effect on sense organs, 101

Cell and its medium, chemical studies, 88

Census,

bird, 59

invertebrates, 62

of four square feet, 58, 62

Centers of dispersal for beetles of North America, 145

Cerambycidæ, food habits, 72

Cestoda and Cestodaria, index to literature of, 129

Chætognatha,

classification, 115

distribution vertically, 115

San Diego region, 115

Challenger, 23

Change, laws of, 79

Changes, in fresh-water habitats, sequence, 86

Changes, in land habitats, sequence, 86

Chemical stimulations, responses to, 97

Chemical studies on the cell and its medium, 88

Chicago, physiographic ecology, 88

Chicago region, animal communities, 134

Chinch-bug, 20

Chorology, 2

Chrysomelid beetles, evolution, 119

Chrysomelidæ,

aquatic, 75

food habits, 72

Cicindela, 90

Cicindelidæ,

habits, 121

life histories and larval habits, 118

Ciliary action of shell-fish, 114

Circulars of U. S. Bureau of Entomology, Index to, 73

Clams,

eaten by Fulgur, 110

eaten by Sycotypus, 110

growth of the soft, 114

hard, 114

life history of the common, 114

soft, 114

Classification, 21

animal habitats, 138

genetic, 56

habitats, 139

mollusks’ habitats, 138

physiological, 21, 101, 133, 134

Climate, influence upon insects, 135

Climatic sequences, 91

Climax biotic associations, 30

Coccinellidæ, food relations, 127

Cocooning habits of spiders, 118

Cold-blooded vertebrates, digestion influenced by season and temperature, 100

Cold Spring Beach, Collembola, 136

Cold Spring sand spit, animal ecology, 136

Coleoptera,

centers of dispersal, North American, 145

food, 76, 77

insectivorous, 127

of Isle Royale, 145

transformations described, 72

Collecting, 49, 50, 59, 61

directions for, 39

natural history specimens, 63

of specimens, 49, 50

Collembola, Cold Spring Beach, 136

Colonial forms, 132

Colonies founded by Atta sexdens, 128

Color changes of tree frogs, 112

Colors of insects, warning, 128

Commensals, 132

of ants, 120

Community,

biotic, 141

Epinomia, 139

gulls, 106

gulls, organization, 134

living beings, 6

social, 18, 123, 131

See also Associations

Communities of land animals, 91, 124

vegetational control, 90, 133

Comparative method, 14, 15

limits, 56

Comparative physiology, 95

Comparative psychology, 120

French work in, 107

limits, 109

Competition of animals, in new territory, 126

Competition,

ants and plants, 126

cotton boll weevil, 125

Composition,

correct, 68

handbook of, 69

scientific papers, 66

Condition,

of stress, 30, 31

pathological, 26

Conditions,

artificial and “pathological,” 27

of existence, natural, 96

of production in the sea, 87

Conflict between organisms, geometrical representation, 125

Conjugation, lower organisms, 97

Contact, reactions of dragon-fly nymphs to, 118

Control of nature, 33

Convoluta roscoffensis, bionomics of green cells, 127

Cooking, manual, 58

Coöperation in study, 52

Coral, rose, feeding reactions, 109

Corn, 132

entomological ecology of Indian, 132

Corn plant, entomological ecology of Indian, 132

Correct composition, 68

Cotton boll weevil, insect enemies, 125

Cotton insects, 72

enemies, 72

Cotton worm, report on, 77

Courtship, Acridiidæ, 117

Cowbirds, 117

Crane flies, 76

larval habits, 76

life histories, 76

Crawfish,

breeding habits, 108

ecological catalogue, 113

egg-laying, 108

habit formation, 106

habitats, 116

Pennsylvania, 116

stream environment, references, 113

Cricket, western, 77

Criteria,

ecological, 16

in genetic studies, 56

of the psychic, 106

Criterion of imitation, 117

Crop rotation, 28

Crows, 117

Crustacea, in grave, 144

Cryptic coloration, 62

testing by experiment, 125

Cryptobranchus Allegheniensis,

habits, 119

life history, 119

Cryptozoic fauna of Australasia, 144

Cuckoo,

behavior, 113

life, 113

Cultivation of turtles, 110

Cycle of matter, in the sea, 87

Cycles, vegetative, causes, 88

Dace, horned, 63

Danish lakes, plankton investigations, 140

Danish waters, ecology of grass-wrack in, 89

Danube and its delta, biology affected by floods, 145

Death feigning,

Belostoma (= Zaitha) flumineum Say, 118

instinct, 113

Nepa apiculata Say, 118

Ranatra, 113

Death of lower organisms, 97

Decrease of birds, 124

Describing environments, 45

Descriptive method, 14

Desert species,

of Amphibians, 148

of reptiles, 148

Determination,

of specimens, 49, 51

of specimens at museums, 52

Determined specimens, series of, 52

Development, 92, 93

ants, 120

effect of environment on mollusks, 100

environment, 45, 46

individual, 97

oysters, 112

optima, 94

problem, 98

Developmental or explanatory method, 14, 15

Digestion in cold-blooded vertebrates, influence of season and temperature, 100

Diptera,

aquatic nematocerous, 75

catalogue of North American, 71

North American, catalogue, 71

Directions for collection, 39, 57

Directory, Naturalist’s, 53

Disadvantages of non-ecological surveys, 31

Diseases, mussels, 119

Distribution,

fish, 64

Planarians, local, 119

vertically of Chætognatha, San Diego region, 115

Domestic animals, 132

psychic development of young, 115

Dominance, 47

Dominant animals, 47, 48

Donaciinæ, natural history of larvæ, 109

Dragon flies, vs. mosquitoes, 72

Dragon-fly nymphs,

ecology, 118

keys, 75

reactions to contact and light, 118

Drinking habits,

butterflies, 119

moths, 119

Drosophila,

convulsive reflexes, 109

reactions, 109

Dunes, bee fauna, 139

Dynamic conceptions, 80

Dynamic principles, 86

Dynamic relation, 85

Dynamic relations,

of aggregations, 130

of associations, 130

of environment, 82

Dynamic standpoint, 91, 101

Dynamic status, 29, 31

Dynamic theory and physiological problems, 97

Dynamical interpretation, 82

Dynamics of living matter, 96

Earthworm,

behavior modifiable, 105

movements, 105

quantitative studies, 58

Echinoderms, food, 126

Ecological catalogue of crawfish, 113

Ecological criteria, 16

Ecological distribution of birds of Isle Royale, 148

Ecological features of evolution, 21

Ecological ideas, educational value, 146

Ecological organization of museums, 22

Ecological relations,

of entomophilous flora and anthophilous insect fauna of Illinois, 142

of invertebrate fauna of Isle Royale, 146

Ecological study,

of cave plankton, Shawnee Cave, 145

of lake plankton, 140

Ecological succession, 21, 90, 101, 124

birds, 124, 133

causes in ponds, 133

fish in ponds and streams, 133

land animals, 133

mammals of Isle Royale, 145

on an oyster reef, 112

Ecological surveys, 23, 24, 67

Ecological training for surveys, 32

Ecology, 1, 2, 18, 19, 20, 60

and economic problems, 114

and geology, 22

art of, 33

associational, 24

fish of Walnut Lake, 147

history, 133, 138

point of view, 8

relation to economic entomology, 21

relation to geology and paleontology, 10

relation to man, 10, 11

relation to physiology, 8

relation to sociology, 10

relation to teaching, 13, 14

research methods, 88

Economic entomology, 29, 71, 74, 75

bibliography, 74, 75

bibliography of American, 71, 75

relation to ecology, 21

Economic problems and ecology, 114

Economic value,

of birds, 126

of Pecten irradians, 108

Economic zoölogist, 29

Economic zoölogy, 29

Educational value of ecological ideas, 146

Effects, similar, of diverse stimuli, 98

Egg-laying crawfish, 108

Egg-laying sites, Orthoptera, 137

Eggs,

collecting birds’, 58

of birds of North America, 109

Elbe River, fauna of lower, 138

Emergency surgery, 65

Emotion in pigeons, 110

Enchytræidæ, 58

Encroachments of civilization, 26

Enemies, protection of animals from, 125

English in science, better, 67

English sparrow, 28, 117

psychology, 117

Entomological Commission,

of U. S., report on cotton and boll worm, 77

of U. S., report on Rocky Mountain locust, 76

of U. S., report on western cricket, 77

Entomological ecology of Indian corn plant, 132

Entomological work of Townend Glover, 73

Entomological writings of A. S. Packard, 74

Entomologists’ reports,

Illinois, index, 74

Missouri, 77

New York, 74

Entomology,

bibliography of American economic, 71, 75

catalogue of publications on, 71

economic, see Economic entomology

Entomophilous flora, ecological relations to anthophilous insect fauna, 142

Environment, 5

and the animal, adjustment between, 122

describing, 45

development, 45, 46

effect on development of mollusks, 100

effect on insects, 96, 97

effect on limpet, 101

effect on snails, 100

fish, 64, 118

fitness, 85

great changes, 26

gross evolution, 86

making to order, 33

natural, and behavior, 110

natural or normal, 34

orderly sequence, 79

original conditions, 25, 26

parasites, 126

sequence of changes, 104

Epeira, habits, instincts, 117

Ephemeridæ, 76

Epinomia triangulifera Vachal, bee community, 139

Equilibrium, relative, 30, 31

Ethological maladjustments of ants, 126

Ethological observations on an ant, 120

Ethological study, comparative, of spiders, 138

Ethology, 18, 19, 21, 59

and mutation theory, 22

ants, comparative, 149

diagram of subdivisions, 133

history, 133

subdivisions, in diagrams, 133

Europe,

cave fauna, 144

plant galls, 143

Evaporating power of air, vegetational control of, relative, 90

Evaporation,

and plant societies, 90

and soil moisture, 62

open and wooded areas, 91

plant societies and, 64

Evolution, 9

and adaptation, 97

as a process, 10

ecological features of, 21

experimental, 96

mutual aid a factor of, 133

of life and Salpa, 123

organic, and baseleveling, 86

Existence,

natural conditions, 96

struggle for, 2, 122, 123

Experiment Station Record, 76

Experimental evolution, 96

Experimental morphology, 95

Experimental study, limits, 103

Experimental zoölogy, 96

Explanatory or developmental method, 14, 15

Exploration, scientific, 63

External relations, 1

Extremes, influence, 98

Eyes,

frog, 110

insects, 110

slug, 110

snail, 110

sow bug, 110

various types and image-forming powers, 110

worms, 110

Factor of evolution, mutual aid a, 133

Factors,

influence of the slowest, 98

limiting, 98

Family, 132

Fauna,

and flora of the sea bottom, 64

cave, 101, 112, 143, 144, 145

cryptozoic of Australasia, 144

Germany, classified by habitat, 134

grave, 144

Indiana caves, 144

Mayfield’s Cave, 143

of brackish waters of Lower Elbe, 138

of Kiel Bay, 138

pond, 148

quantitative determination in brackish waters, 137

salt water, 111

Faunal significance of baseleveling, 86

Feeding habits,

slugs, 125

snails, 125

Venus mercenaria, 114

Feeding reactions of rose coral, 109

Feeding reflexes of shell-fish, 114

Fertilization of flowers, 142

Field ants, 149

Field naturalist, 37

Field notes, 42

numbers in, 50, 51

recording, 42

Field study, 36, 37, 38

plan, 36

Field work, primary aim, 41

Fish,

associations of a lake, 147

associations of Illinois, 140

distribution, 64

ecological succession, 133

environment and distribution, 64

environment, index to, 118

feeding grounds, affected by vegetation, 90

food, 76, 123

food relations of fresh-water, 123

habitats of Illinois, 140

habits, 63, 112

Illinois, 140

lateral-line organs of, functions, 116

life histories, 112

marine vegetation, 89

metabolism, 100

methods of study, 39

of a small stream, 147

organ of sense, 113

organ of taste, 113

physiological responses of, 112

pond, 133

productivity in standing and running water, 101

reaction to atmospheric gases in water, 118

reaction to carbonic acid, 118

reaction to oxygen, 118

rheotropism in, 115

sense of hearing, 116

spawning habits of, 112

stream, 133

submerged vegetation affecting feeding ground, 90

Fitness of environment, 85

Floods of lower Danube affecting biological conditions, 145

Florida mangroves forming animal habitats, 89

Flowers,

and insects, 142, 143

animal visitors, 141, 142

bees and, 141

fertilization, 142

pollination of, in relation to animals, 141, 142

Food,

beetles, 126

birds, 126, 128, 130

butterflies, 77

Coleoptera, 77

Echinoderms, 126

fish, 123

insects, 128

lizards, 129

nestling birds, 128

oysters, 112

predaceous beetles, 130

serpents, 129

snails, 125

Turbellarian, 127

woodpeckers, 126

Food habits,

back beetles, 76

Cerambycidæ, 72

Chrysomelidæ, 72

Coleoptera, 77

grosbeaks, 128

larval Acalyptrate Muscidæ, 78

longicorn beetles, 77

Rhynchophora, 72

snout beetles, 76

Food of animals,

in Kiel Bay, 129

of sea-bottom, 63, 136

Food plants,

of Coleoptera, 77

of forest insects, 76

Food relations,

Carabidæ, 127

cave animals, 144

Coccinellidæ, 127

Forest influences, 90

Forest insects,

classified by food plants, 76

life histories, 74

literature, 74

Forest invasion on alluvial flats, 89

Forest types, determining, 89

Foresters, nature’s, 124

Forestry, 58

Forests, insect depredations in, 127

Form regulation, 97

Formation, 60

French work in comparative psychology, 107

Fresh-water Amphipods, 111

Fresh-water animals and plants, biological relations, 130

Fresh-water biology, keys to organisms, 78

Fresh-water biology, technique, 62

Fresh-water fish, food relations, 123

Fresh-water habitats, changes, 86

Fresh-water mollusks, habitats, 147

Fresh-water mussels, pearly, 119

Fresh-water Planarians, reactions, 116

Fresh-water plants and animals, biological relations, 130

Fruiting of blue flag, 142

Fulgur eating oysters, mussels, and clams, 110

Function,

of lateral-line organs of fish, 116

of mucus of shell-fish, 114

Fungi,

and ants, 128

and bark beetles, 127

Galls,

animals in relation to plant, 141

insect, 143

on European plants, 143

Gases,

dissolved in water, biological significance, 87

reaction of fish to atmospheric, 118

General physiology, 95

General principles, value of, 41

Genetic classification, 56

Genetic method, 15

Genetic psychology, limits, 109

Genetic relation of types of action, 106

Genetic standpoint, 91, 101

Genetic studies, criteria in, 56

Geographic life centers, 99

Geologic processes, 86

Geological investigation, relation to biology, 22

Geology and ecology, 22

Glade,

ants, 149

associations of ants, 149

Glover, Townend, entomological work, 73

Governmental publications, catalogues, 65

Grackles, 109

Grasshoppers,

short-horned, associational groupings, 148

short-horned, habitats, 148

Grass-wrack, ecology of, in Danish waters, 89

Grave, fauna of the, 144

Green cells of Convoluta roscoffensis, bionomics, 127

Grosbeaks, food habits, 128

Gross environment, evolution, 86

Growth, 92, 93, 97

affected by environment, 100

influence of stimuli upon, 95

quahaug, 108

soft clam, 114

Venus mercenaria, 114

Guiana forest, struggle for life in, 124

Gull community, organization, 106, 134

Gypsy moth, 74

enemies of, 74

Habitats, 5, 60

affected by baseleveling, 86

amphibians, 148

animal, formed by plants, 89, 91

animals classified by, 134

ants, 137, 149

beetles, 145

bird preferences, 148

birds, 137

birds in summer, 146

cave, 112, 143, 144

classification, 59, 138, 139

Collembola, 136

crawfish, 116

dune, 139

fish of Illinois, 140

formed by river floods, 145

fresh-water, 86

grasshoppers, 148

history of their recognition, 138

inland, 91

insects, 128, 135

invertebrate, 146

lake, 87

lake beach, 147

lake fauna, 140

lake, for fish, 147

land, 86

mammals, 145

marine animals, 135, 136, 146

marsh for mollusks, 137

mollusks, 138, 145, 147

mollusks, classification, 138

mollusks of land and fresh water, classification, 138

moor, 139

Oregon sea beach, 149

Orthoptera, 137

oyster, 111, 112, 131, 132

parasitic fauna, 129

pond, 148

preferences of birds, 148

reptiles, 148

sand areas, 146

sand prairie, 139

sandy sea flats, 136, 137

sea bottom, 136

shore animals, 139

spiders, 125, 138

stream, 147, 148

three dimensions, 46

Turbellarian, 127

Habits,

Amphipods, 119

Amphithoe longimana Smith, 113

cave-inhabiting bats, 112

Cicindelidæ, 121

fish, 63, 112

formation in crawfish, 106

formation in the turtle, 105

Humble-bee, 118

Leptinotarsa, 119

mammals, 118

mammals of North America, 107

mating period of spiders, 115

Plethodon, 117

salamanders, 119

solitary wasps of Texas, 113

spiders, 117, 118

squirrels, 115

tortoises, 116

Venus mercenaria, 114

Halictus,

biocönose, 134

guests and parasites, 134

Hearing in fish, sense of, 116

Heath ants, 149

Hemiptera, seasonal succession, 141

Hemiptera-Heteroptera, catalogue of Nearctic, 71

Hibernation, 115

influence on animal parasites, 130

insects, 128

Holland, sandy flats of, animals, 136, 137

Homarus Americanus, behavior of immature stages, 105

Homing pigeons, methods, 113

Honey-bee, natural history, 109

Horde, 132

Human associations, 11

Human behavior, biological and psychological foundations, 133

Humble-bee,

domestication, 119

habits, 119

life history, 119

Humidity of air, vegetational control of relative, 90

Humus, effect on animal life of soil, 100

Huttonian theory, 80

Hydroides Dianthus V., behavior modifiable, 106

Hydropsyche, photographing nets of, 64

Hymenoptera of N. America,

bibliography, 73

catalogue of species, 73

Hypermetamorphic beetles, 139

Hypotheses, multiple working, 55

Ideas,

biometric, 63

life history of scientific, 57

Illinois,

ecological relations of entomophilous flora and anthophilous insect fauna, 142

fish, 140

sand areas, biology, 146

sand prairies, associational study, 139

State Entomologist’s reports, 74

Illinois River, entomology, 74

plankton, 147

Image-forming powers of eyes of various types, 110

Imitation,

and intelligence in birds, 117

criterion, 117

Index,

Agricultural reports of the U. S. patent office, 72

circulars, U. S. Entomology Bureau, 73

Experiment Station Record, 76

Illinois State entomologist’s reports,74

Insect Life, 72

Lintner’s New York State entomologist’s reports, 74

Missouri reports on insects, 77

Ontario entomological society reports, 72

Orthoptera of North America, 77

papers on biological survey of U. S., 128

Riley’s Missouri entomological reports, 77

Index catalogue of medical and veterinary zoölogy, 129

Indian corn, see Corn

Indiana,

caves and their fauna, 144

insect galls, 143

Individual development, 97

Individual ecology, 3, 8, 23, 24

and the associational unit, 131

Influence,

of sessile habit, 100

of slowest factors, 98

Inland habitats, 91

Insect associations, changes in, 127

Insect depredations in forests, 127

Insect enemies of cotton boll weevil, 125

Insect fauna of the giant cactus of Arizona, 135

Insect galls,

Europe, 143

Indiana, 143

New York, 143

Insect guests of Florida land tortoise, 135

Insect Life, 111

index, 72

Insect oscillations regulated by birds, 123

Insectivorous Coleoptera, 127

Insects,

affecting park trees, 74

affecting the orange, 75

affecting woodland trees, 74

and animal forms of Caledonia Creek, N. Y., 147, 148

aquatic, 74

aquatic in Adirondacks, 75

bibliography, 74, 75

bionomics of, 128

cactus, 135

carrion-feeding, 146

collecting, 58

environmental influences upon, 96, 97

eyes, 110

flowers and, 142, 143

food, 128

habitats, 128, 135

hibernation, 128

Illinois, 74

in grave, 144

influence in economy of nature, 135

influenced by animal substances, 135

influenced by climate, 135

influenced by environment, 135

influenced by man, 135

influenced by plants, 135

influenced by soil, 135

initiating successions, 127

instinct, 128

life histories, 70, 73

life histories in Lintner’s New York State entomologist’s reports, 74

mimicry of South African, 128

Missouri, 77

motions, 128

Neuropteroid, synopsis, catalogue, and bibliography, 71

New Mexico, 148

New York, 74

noises, 128

parasitic and other kinds of castration in, 130

parasitism, 129, 130

preserving, 58

protective adaptations against birds by, 125

seasonal succession, 141

senses, 111

social community, 135

social life, 111

societies, 128

stratagems, 128

study, 59

systematic literature, 71

warning colors of South African, 128

Instinct,

and intelligence, 120

birds, 113

blindness of, 103

death-feigning, 113

insects, 128

Leptinotarsa, 119

raccoons, 110

spiders, 117

Instruments, 57, 59

Integrative action of nervous system, 98

Intelligence,

and imitation in birds, 117

and instinct, 120

animal, of the raccoon, 111

birds, 113

evolution of animal, 114

nature and development of animal, 115

raccoons, 110, 111

Interactions of organisms, 49, 123

Internal relations, 1

Interpretation, dynamical, 82

Interrelations, 5

between forests and insects, 127

of the social community, 131

parasitic, of the bee community, 139

Introducing noxious animals, 124

Invertebrate animals of Vineyard Sound, 136

Invertebrate fauna of Isle Royale, ecological relations, 146

Invertebrates,

census, 62

life histories, 70, 136

marine, 136, 146

Investigation, methods of scientific, 56

Iris versicolor L., fruiting, 142

Isle Royale,

as biotic environment, 91

birds, ecological succession, 124, 133

birds’ habitats, 148

ecology of Coleoptera, 145

ecological relations of invertebrate fauna, 146

mammals of, ecological succession, 145

Isophyllia, feeding reactions, 109

Isopods,

of ponds and streams, responses, 106

physiological states and rheotaxis, 106

reactions of surface and subterranean, 108

reactions to light, 108

Jutland, sandy flats of, animals, 136, 137

Kiel Bay,

fauna, 138

food of animals in, 129

Krakatau, new flora, 89

Lack of oxygen, resistance affected by carbohydrates, 99

Lake as a microcosm, 123, 131

Lake beach,

habitat, 147

débris, Sarcophagidæ with relation to, 147

Lake fauna,

associational study, 140

correlated with vegetation, 140

habitats, 140

Lake, fish associations of a, 147

Lake habitat,

changes in, 87

fish, 147

Lake, respiration of an inland, 87

Lake shore, animal associations, 134

Lakes,

gases dissolved in waters, 87

plankton investigations of Danish, 140

Land animal communities,

controlled by vegetation, 90

vegetation and control, 124, 133

Land animals,

ecological succession, 133

origin, 148

Land forms, changing, 86

Land habitats, changes, 86

Land tortoise of Florida, insect guests, 135

Larval habits of tiger beetles, 118

Larvæ,

catalogue, 77

classification of Lepidopterous, 73

Coleopterous, table of families, 75

Donaciinæ, natural history, 109

Lepidopterous, 73, 78

saw-fly, 78

Lateral-line organs of fish, functions, 116

Law of response to strain, 85

Laws of change, orderly sequence, 79

Laws of regulation,

in behavior, 105

in insect oscillations, 123

in metabolism, 85

Laws of sequence,

in adjustment between animal and environment, 122

in animals, 92, 93

in environment, 79

within the animal, 92

Leech, behavior, 121

Lepidoptera,

and temperature extremes, 99

field tables, 74

larvæ, 73, 78

larvæ, classification, 73

transformations of described, 73

Leptinotarsa,

behavior, 119

habits, 119

instincts, 119

Leptothorax Emersoni Wheeler, ethological observations, 120

Life and chemistry, 97

Life centers, geographic, 99

Life histories,

aquatic Nematocerous Diptera, 75

fish, 112

insects, 73

insects and allied invertebrates, 70

insects, in Lintner’s New York State entomologist’s reports, 74

mammals, 118

Odonata, 76

physiological, 17

salamanders, 119

tiger beetles, 118

Life history,

common clam, 114

humble-bee, 119

quahaug, 108

scientific ideas, 57

Life,

maintenance, 97

nature, 97

origin, 97

Light,

and behavior of organisms, 115

locomotor responses of animals to white, 107

reactions of Amphibians, 116

reactions of dragon-fly nymphs to, 118

reactions of Isopods to, 108

reactions of Planarians to, 105

white, locomotor responses of animals to, 107

Limiting factors, 98

Limpet, environmental studies, 101

Limulus, behavior of early stages, 105

Lists, local, 48

Literature, limitations and value, 82, 83, 84

Living matter, dynamics, 96

Lizards,

behavior, 116

food, 129

Pennsylvania, 129

Lobster,

behavior, 105, 113

natural history of the American, 113

Local lists, 48

Locomotion of starfish, direction, 110

Locomotor responses to white light, 107

Locust, Rocky Mountain, 77

Logs, fauna under, 144

Louisiana, marine food mollusks, 114

Lower organisms,

age, 97

behavior, 96, 105, 107

conjugation, 97

death, 97

Lycosidæ,

ecology, 125

habitats, 125

Lymnæa Columella Say, effects of environment on growth, 100

Lymnæas, ecology, 108

Lymnæidæ, ecology, 108

Lymnæus Eleodes Say, behavior, 120

Maize, see Indian Corn

Maladjustments of plants and ants, 126

Mammal associations, 145

Mammal successions, 145

Mammals,

bibliography of North American, 107

collecting, 58

habits, 118

habits of North American, 107

Isle Royale, ecological succession, 145

life histories, 118

methods of study, 39

Man, influence upon insects, 135

Mangroves, Florida, 89

Manual of style, 68

Manuscript arrangement, 69

Marine animals,

and vegetation, 89

associational study, 136

associations, 135

collecting, 57

distribution, 139

food of, in Kiel Bay, 129

habitat study, 136

Marine food mollusks of Louisiana, 114

Marine habitats of animals, 135

Marine invertebrates, 146

Marine life, quantitative study, 124

Marine vegetation and animal associations, 89

Marsh habitats, mollusks, 137

Maryland farm, birds of a, 125

Massachusetts shell-fisheries, 108

Mating instincts, of walking-stick, 119

Mating period of spiders, habits, 115

Mayfield Cave fauna, 143

Mayfly nymphs, keys, 75, 76

Meadow ants, 149

Media, changes in, 88

Medical zoölogy, bibliography, 129

Metabolism, 92, 93

fish, 100

in the sea, 87

Method,

comparative, limitations, 56

genetic, 56

historical, 56

scientific, 55, 56, 57

Methods,

biometric, 63

of homing pigeons, 113

of investigation, energy, agent and process, 56

of microscopic anatomy, 62

of study, 14, 39

of studying birds, fish, mammals, 39

Microcosm, 4

lake as a, 123, 131

Microscopic anatomy, methods, 62

Migration,

influence on animal parasites, 130

of birds, 109

of birds, as a response, 109, 110

Migratory plant formations, 88

Mimicry, 42

of insects of South Africa, 128

Missouri,

insects, 77

insects, index of reports on, 77

Modifiability of behavior of Hydroides Dianthus V., 106

Modifications,

of behavior, 93

of behavior by experience, 106

Molluscan associations, local, 137

Molluscan succession, associational study, 137

Mollusk fisheries of Massachusetts, 108

Mollusks,

associations, 138

collecting, 58

ecology, 147

effect of environment, 100

habitats, 138, 145, 147

habitats in fresh water, 147

of Louisiana, marine food, 114

of Skokie Marsh area, ecology, 137

Mongoose, 28

Morphology, experimental, 95

Mosquitoes, Dragonflies vs., 72

Moth, Yucca, 142

Moths,

drinking habits, 119

reactions, 106

Mourning-cloak butterfly, phototropism, 116

Movements, physiology, 107

Mucus, function of, in shell-fish, 114

Mud snail, behavior, 111

Multiple working hypotheses, 55

Muscidæ, Acalyptrate, 78

Museum exhibit of American birds, ecological, 145, 146

Museums,

determination of specimens at, 52

relation to ecology, 22

use of ecological ideas, 145, 146

Mussels,

artificial propagation of fresh-water, 114, 115

diseases, 119

eaten by Fulgur, 110

eaten by Sycotypus, 110

enemies, 119

pearly fresh-water, enemies and diseases, 119

pearly fresh-water, habits, 119

pearly fresh-water, protection, 119

reproduction of fresh-water, 114, 115

Mutation theory and ethology, 22

Mutual aid, a factor of evolution, 133

Mya arenaria,

growth, 114

life history, 114

Myriapods,

collecting, 58

systematic literature, 71

Nassa obsoleta, 110

Natural conditions of existence, 96

Natural environments, 26

Natural history, 18

American lobster, 113

Amia calva L., 117

Amphithoe, 113

honey-bee, 109

larvæ of Donaciinæ, 109

starfish, 115

surveys, 23, 30

Natural preserves, 34, 38

Naturalist’s Directory, 53

Nature,

and nurture, 17

control, 33

Nature’s foresters, 124

Nearctic Hemiptera-Heteroptera, catalogue, 71

Nearctic spiders, 72

Necturus, behavior, 121

Nematocerous Diptera,

aquatic, 75

aquatic, stages, 75

Nepa apiculata Uhler, death-feigning, 118

Nervous system,

integrative action, 98

origin of, in sponges, 116

regulatory action, 98

Nestling birds, food, 128

Nests,

ants, 127

collecting birds’, 58

New Mexico,

ecological distribution of animal life in, 148

insects, 148

reptiles, 148

New York,

insect galls, 143

State entomologist’s reports, 74

Nomenclature,

ecological, for plants, 60

phytogeographical, 22

Non-ecological surveys, 31

Normal,

as ideal, 27

conditions, 27

departure from, 98

processes of nature, 26

North Carolina, oyster industry, 112

Notebook, aluminum, 44

Note slips, 37, 44

Note taking, 42, 45, 61

Noxious animals, introducing, 124

Numbering specimens, 50, 51

Numerals, 69

Nurmijärvi Lake, fauna and vegetation, 139

Nurture and nature, 17

Nutrition of Arthropods, affected by cave life, 101

Nymphs,

dragon-fly, 76

Mayfly, 76

Zygoptera, keys, 76

Oak gall flies, and oak galls, 143

Oceanography, 21

Odonata,

life histories, 76

transformations described, 72

Œcology, see Ecology

Oligochæta, 58

Ontario, Entomological Society of, index to thirty annual reports, 72

Optima, 98

development, 94

of Chætognatha, 115

physiological, 27

vital, 27, 94

Optimum, 30, 94

associational, 94

departure from, 98

vital conditions, 99

vital, in caves, 144

Orange, insects affecting the, 75

Orchestia palustris, habits and life history, 119

Orderly sequence,

laws, 92, 93

of behavior, 113

of disturbances by man, 27

of environment, 79

Oregon beach, beetles of an, 149

Orientation among animals, 118

Origin of land animals, 148

Original conditions, 26, 27

of environment, 25, 26

Oriole, Baltimore, 117

Organ of taste, fish, 113

Organic parasitism, 126

Organism,

ant colony as an, 131

as agent, 4

Organisms,

behavior of lower, 96, 107

geometrical representations of the conflict between, 125

interactions, 49, 123

lower, behavior, 96, 107

physiology, 96

responses to light, 115

Organization of gull community, 106, 134

Organs, physiology, 96

Ornithological balance-wheel, 123

Orthoptera,

biology, 101

classification of, by egg-laying sites, 137

habitats, 137

index to North American, 77

Overfishing of oyster beds, 131

Oxygen,

effects of lack of, on sea-urchin, 99

physiological effects of lack, 99

reaction of fish to, 118

resistance to lack of, increased, 99

Oyster, 18, 114, 131

Oyster bank, 18

as social community, 132

Oyster bed, 6

overfishing, 131

succession of animals on, 131

Oyster culture, 6, 18, 131

Oyster,

development, 112

food, 112

Oyster grounds of South Carolina, natural, 111

Oyster habitat, 111

Oyster industry of North Carolina, 112

Oyster reef affected by storms, 112

Oysters,

eaten by Fulgur, 110

eaten by Sycotypus, 110

Painted turtle, discriminative ability, 109

Papers, composition of scientific, 66

Papers, preparation for publication, 65, 68

Papilionidæ, seasonal succession, 140

Paragraphing, 69

Parasites, 132

a function of habitat, 129

American Rhynchophora, 76

burrowing bee, 134

influence of hibernation on animal, 130

influence of migration on animal, 129

Sebago salmon, 129

Parasitic castration in insects, 130

Parasitic environment, 126

Parasitic fauna, relation to habitat, 129

Parasitic interrelations of bee community, 139

Parasitism, 129

insect, 129, 130

organic, 126

social, 126

Park trees, insects affecting, 74

Parks for ecological study, 38

Parrots, 109

Passenger pigeon, 117

Pathological condition, 26

Pathological conditions, artificial and, 27

Pecten irradians,

economic value, 108

growth, 108

habits, 108

life history, 108

Pennsylvania,

crawfish, 116

lizards, 129

serpents, 129

turtles, 129

Phase rule, 85

Photography, 57, 59, 61, 65

aquatic animals, 63, 64

birds, 39

fish, 39

mammals, 39

nets of Hydropsyche (aquatic), 64

Phototaxis and random movements, 105

Phototropism of Mourning-cloak butterfly, 116

Phylogeny, 21, 96

of human behavior, 133

Physa, biology, 110

Physical change, influence upon animals, 85

Physiographic ecology of Chicago, 88

Physiological chemistry, 95

Physiological classification, and ecological succession, 21

in ecology, 101, 133, 134

Physiological conditions, 92, 93

Physiological life histories of plants, 17

Physiological problems and dynamic theory, 97

Physiological responses,

distribution due to, 101, 112, 136

of fish, 112

Physiological states and rheotaxis in Isopoda, 106

Physiology,

comparative, 95

general, 95

of organisms, 96

of organs, 96

of reproduction, 100

Phytogeographical nomenclature, 22, 60

Pigeon,

common, 117

homing, 113

passenger, 117

Pigeons,

emotion in, 110

methods of homing, 113

voices as means of social control, 106, 134

Planarians,

behavior, 120

distribution locally, 120

reactions of fresh-water, 116

reactions to light, 105

Plane table manual, 64

Plankton, 60, 148

ecological study, 140

investigations of Danish lakes, 140

of Illinois river, 147

of Shawnee Cave, ecological study, 145

organisms, 50

Plant animals, 128

Plant ecology, 59

bibliography, 89

general principles, 88, 89

Plant formations, stable and migratory, 88

Plant galls, 143

animals in relation to, 141

biology and causes of European, 143

Plant societies,

relation to evaporation, 64, 90

relation to humidity, 90

study of Chicago, 88

Plant succession, 90

relation to distribution of tiger beetles, 90

Plants,

and ants, 126, 127

and snails, 125

forming animal habitats, 89

influence upon insects, 135

life histories, physiological, 17

seasonal succession, 140

variation, 96

Play of animals, 112

Plethodon cinereus erythronotus,

habits, 117

larval state, 117

Poduridæ,

behavior and habitat, 136

movements, 136

Poisons, physiological effect of certain, 99

Pollination, animals in relation to, 141

Pollination of flowers, animals in relation, 141, 142

Pollination of Yucca, 142

Pond,

fauna, 148

fish, ecological succession, 133

habitat, 148

Isopods, 106

Pond snail, behavior, 120

Pond, solution, 148

Ponds, seasonal succession in old forest, 140

Porcupine mountains, 91

Postglacial dispersal of biota, 91

Potassium cyanide, effects on sea-urchin, 99

Potato beetles, see Leptinotarsa

Predaceous beetles, food, 126, 130

Preservation of specimens, 49, 50

Preserves, natural, 34, 38

Principles, value of general, 41

Process, animal behavior as a, 102

Process method,

application, 86

of investigation, 56

Process of adjustment, 30, 31

in organisms, 122

Process of response, 4

Process standpoint, 91, 101

applied to vegetation, 88

Processes,

geologic, 86

of behavior, 93

of development, 93

of growth, 93

of metabolism, 93

of research, 55

regulatory character of physico-chemical and physiological, 85

standpoint, 80, 81, 82

Production, conditions of, in the sea, 87

Proof, correction, 68

Proof-reading, 65, 68

Propagation, artificially, of fresh-water mussels, 114, 115

Protection,

of birds, 124

of useful birds, 127

Protective coloration, 62

Protoplasm, influence of stimuli upon, 95

Protoplasmic respiration, 97

Psychic,

criteria, 106

development of young domestic animals, 115

Psychology,

comparative, 120

comparative, French work in, 107

English sparrow, 117

limits of comparative and genetic, 109

of ants, 120

Publication, preparation of papers for, 65, 68

Punctuation, 68, 69

Quahaug,

growth, 108

life history, 108

Quantitative determination of fauna of lower Elbe, 138

Quantitative study, 61

animal life of sea-bottom, 63, 124, 136

of birds, 59, 60

of life of sea-bottom, 63, 124, 136

Quarnerian Gulf, animals associated in the, 135

Rabbits, 28

Raccoon, animal intelligence, 111

Raccoons,

instincts, 110

intelligence, 110

sense, 110

visual discrimination, 110

Ranatra, death-feigning, 113

Random movements and phototaxis, 105

Rations, 62

Record keeping, 61

Recording notes, 64

Red-headed woodpecker, 117

Reef, ecological succession on an oyster, 112

Regeneration as functional adjustment, 98

Regulation,

in behavior, 105

of insect oscillations by birds, 123

regeneration as functional, 98

Regulative action of nervous system, 98

Regulatory character of physico-chemical and physiological processes, 85

Relative equilibrium, 30, 31

Reproduction,

fresh-water mussels, 114, 115

physiology, 100

Reptiles,

Arizona, 148

associations of desert species, 148

collecting, 58

desert species, 148

food of desert species, 148

New Mexico, 148

Research methods,

in plant ecology, 59, 88

Research,

processes, 55

speculative method in, 55

Respiration,

of an inland lake, 87

protoplasmic, 97

Response,

bird migration as a, 109

to strain, 85

Responses,

Isopods of ponds and streams, 106

study, 15

to chemical stimulations, 97

Rheotaxis in Isopoda, 106

Rheotropism in fish, 115

Rhynchophora,

biologies, 76

food habits, 72

parasites, 76

Ring-dove, blond, 110

River entomology, Illinois, 75

River fauna,

Danube delta, 145

lower Elbe, 138

River habitat, flooded delta, 145

River plankton, Illinois, 147

Rocky Mountain locust, enemies, 77

Rodentia, 107

Rose coral, feeding reactions, 109

Running water, effect on productivity of fish, 101

Salamanders, habits, 119

Salmon, internal parasites of Sebago, 129

Salpa and evolution of life, 123

Salt-marsh Amphipod, habits and life history, 119

Salt-water fauna, 111.

See also Marine animals

San Diego region, Chætognatha of, 115

Sand,

ants, 149

areas of Illinois, biology, 146

prairies of Illinois, associational study, 139

Sandy flats of the sea coast as a biotic association, 136, 137

Sarcophagidæ, relation to lake beach débris, 147

Saw-fly, larvæ, 78

Scallop fishery, 108

Scallops, 114

Sceloporus spinosus floridanus, behavior, 116

Schleswig-Holstein oyster bank described, 132

Science, better English in, 67

Scientific exploration, 63

Scientific ideas, life history, 57

Scientific investigation, methods, 56

Scientific method, 55, 56, 57

Scientific papers, composition, 66

Scientific technique, 55

Sea anemone, behavior modifiable, 105

Sea beach, associational study, 136

Sea-bottom,

animal life, 63, 136

fauna and flora, 64

quantitative study of animals, 63

Sea,

conditions of life in, 134

conditions of production in, 87

cycle of matter in, 87

metabolism in, 87

struggle for existence in, 123

valuation of the, 136

Seashore,

animal ecology, 63, 64

animals, 146

Season, influence on digestion of cold-blooded vertebrates, 100

Seasonal succession,

animals, 140

beetles, 140

butterflies, 140

Hemiptera, 141

in old forest ponds, 140

plants, 140

Sea-urchin, 99

resistance to lack of oxygen, 99

resistance to potassium cyanide, 99

Sebago salmon, internal parasites, 129

Second-hand books, dealers in, 65

Sense organ,

Arthropods, effect of caves on, 101

of fish, 113

Senses of insects, 111

Sensory adaptations of cave-inhabiting bats, 112

Sensory reactions of Amphioxus, 116

Sequence of changes in environment, 104

Sessile habit, influence, 100

Serpents,

food, 129

Pennsylvania, 129

Sexual characters of Araneads, secondary, 115

Shawnee Cave plankton, ecological study, 145

Shell-fish,

ciliary action, 114

feeding reflexes, 114

food, 114

function of mucus, 114

Shell-fish industries,

biology, 114

culture, 114

utilization, 114

Shell-fisheries of Massachusetts, 108

Shore, animal ecology of the, 139

Shore animals, associational study, 139

Significance of courtship of Araneads, 115

Skokie Marsh area, ecology of mollusca, 137

Slaves of ants, 120

Slug,

eyes, 110

feeding habits, 125

Snail,

eyes, 110

mud, 111

pond, 120

Snails,

and plants, 125

feeding habits, 125

food, 125

in grave, 144

influence of environment on, 100

Snout-beetles, 76

Snowbird, 117

Social community, 18, 123

animals, 131

insects, 135

interrelations, 131

oyster bank, 132

sea-bottom, 136

Social control, by voices among pigeons, 106, 134

Social life,

from comparative and phylogenetic standpoint, 132

insects, 111

multiple origin, 132

origin, 132

Social parasitism, 126

Social reaction,

beginnings in lower animals, 134

beginnings in man, 134

Social wasps, 117

behavior, 111

Societies, insects, 128

Sociology,

a branch of ecology or ethology, 132

relation to ecology, 10, 11, 12

Soil,

animal life influenced by humus and tillage, 100

animals of the, 86

fauna of Alps, 144

influence upon insects, 135

Soils,

moisture, 62

study, 58

Solitary wasps,

habits, 116, 117

habits in Texas, 113

instincts, 116

Solution pond, fauna, 148

South Africa, insects, 128

South Carolina, natural oyster grounds, 111

Sow bug, eyes, 110

Space, perception by tortoises, 121

Sparrow,

field, 117

fox, 117

song, 117

tree, 117

vesper, 117

white-crowned, 117

white-throated, 117

Spawning habits of fish, 112

Specimens,

collecting natural history, 63

collection, 49, 50

determination, 49, 51

determined, 52

numbering, 50, 51

preservation, 49, 50

Spiders,

cocooning habits, 118

collecting, 58

habitats, 125, 138

habits, 117

instincts, 117

mating habits, 115

mental powers, 117

Nearctic, 72

systematic literature, 71

Sponges,

behavior, 116

reactions, 116

Squirrels,

behavior, 121

habits, 115

Stable plant formations, 88

Starfish,

behavior, 105

locomotion, 110

natural history, 115

Status, dynamic, 29, 31

Stimulations, responses to chemical, 97

Stimuli,

influence upon growth, 95

influence upon protoplasm, 95

similar effects of diverse, 98

Stones, fauna under, 144

Stratigraphy, relation of marine bionomy to, 22

Stream,

animals of a small, 147, 148

environment, references to, 113

fish, ecological succession, 133

fish of a small, 147

habitat, 147, 148

Isopods, 106

Stress, condition, 30, 31

Struggle among organisms, 123

Struggle for existence, 2, 122, 123

in a lake, 123

in Guiana forests, 124

in the sea, 123

references, 126

Studies, quantitative, 61

Style brief, Wistar Institute, 68

Style manual, 68

Subterranean. See also Cave

Subterranean animals, 58, 86, 143, 144, 145

Subterranean Isopods, behavior, 108

Succession,

animals in oyster beds, 131

associations of inland habitats, 91

Succession,

beetles, 145

ecological, 101

ecological, birds, 21, 124, 133

ecological, in the grave, 144

ecological, on oyster reef, 112

in stages of decay, 144, 146

mammal, 145

mollusks, 137

seasonal, 140

Successions, initiated by insects, 127

Suggestions to authors, 68

Summer-bird life near Havana, Illinois, 146

Surgery, emergency, 65

Surveying, 65

Surveys,

ecological, 23, 67

ecological training for, 32

natural history, 23, 30

non-ecological, 31

Sycotypus eating oysters, mussels, and clams, 110

Symbiosis, 127, 128, 130

Talorchestia longicornis, habits and life history, 119

Tanganyika problem, 89

Taste, fish’s organ of, 112

Taxonomy, 54

relation to ecology, 8

Teaching, relation to ecology, 13

Technique, 15, 57

of fresh-water biology, 62

scientific, 55

Temperature,

effect of extremes, 99

in open and wooded areas, 91

influence on digestion of cold-blooded vertebrates, 100

lowering of, and loss of water, 99

physiological effects of high temperature, 99

Termites, Arthropods living with, 130

Terns, noddy and sooty, behavior, 120

Terrapin, diamond-back,

cultivation, 110

natural history, 110

Texas,

habits of solitary wasps, 113

wasps, solitary, habits, 113

Theory, use, 40

Thermocline, biological significance, 87

Tiger beetles,

larval habits, 118

life histories, 118

relation of distribution to plant succession, 90

Tipulidæ, 76

Toad, American, 100

Tomahawk Lake, Wis., Mollusca of, 137

Tortoise,

Florida land, 135

habits, 116

perception of space, 121

Tracks and tracking, 58

Trapping, 39, 60

Tree frogs,

behavior, 112

color changes, 112

Trees,

insects affecting, 74

Trematoda and trematode diseases, index to literature, 129

Trial and error, 104

Tubicolous Annelids, behavior, 112

Turbellarian,

behavior, 127

ecology, 127

food, 127

habitat, 127

Turtles,

cultivation, 110

discriminative ability of painted, 109

food, 129

formation of habits, 105

natural history, 110

Pennsylvania, 129

Turtur risorius, 110

Types of eyes, image-forming powers of various, 110

Typography, 68

Use of theory, 40

Utah, 55

Vanessa antiopa Linn., phototropism, 116

Variation,

in animals, 96

in plants, 96

statistical, 60

Vegetation,

and animal associations, 90

and control of land animal communities, 133

Caithness, 88

changes in, 88

controlling land animal communities, 90

correlated with lake fauna, 140

development and structure, 88

invading alluvial flats, 89

invading new land surface, 89

Vegetational change, influence upon animals, 85

Vegetational control,

of relative evaporating power of the air, 90

of relative humidity of air, 90

Vegetative cycles, causes, 88

Venus mercenaria,

growth, 108, 114

habits, 114

life history, 108

Veterinary zoölogy, bibliography, 129

Vineyard Sound, invertebrate animals of, 136

Visual discrimination in raccoons, 110

Vital conditions, optimum, 99

Vital optimum, 94

Voices of pigeons as means of social control, 106, 134

Volcanic activity and new land surface, 89

Volcanic islands, new flora, 89

“Walking stick,”

behavior, 119

habits, 119

mating instincts, 119

reactions, 119

Walnut Lake,

ecological relations of fish, 147

fish ecology, 147

Warning coloration, 62

testing by experiment, 125

Warning colors, insects of South Africa, 128

Wasps, social, 117

behavior, 110

Wasps, solitary,

habits, 116, 117

habits, of Texas, 113

instincts, 116, 117

Water,

loss of and lowering of temperature, 99

running, effect on productivity of fish, 101

standing, effect on productivity of fish, 101

Weights and measures, 69

Wild life,

photography, 61

study, 61

Windermere, Lake, 90

Wisdom, blindness of, 103

Wistar Institute, style brief, 68

Wood borers, 77

Woodcraft, 61

Woodland,

ants, 149

associations of ants, 149

atmospheric conditions about, 91

birds as protectors, 124

Woodland trees, insects affecting, 74

Woodpecker, red-headed, 117

Woodpeckers, food, 126

Worms, eyes, 110

Yucca,

moth, 142

pollination, 142

Zoölogical Record, 70

Zoölogist, economic, 29

Zoölogy, experimental, 96

Zostera marina, ecology in Danish waters, 89

Zygoptera, life histories, 76

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