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Bacteria

INDEX

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Abscess formation, 296-301

Acetous fermentation, 115, 127

Actinomycosis, 316

Aërobic organisms, 26

Agar, 21

Air, bacteriology of, 96-110

— examination of, 96-99

— of sewers, 105

— expired, 102

— bacteria and gravity, 106

— standard of bacteria in, 108

— pathogenic bacteria in, 109

— passages, bacteria in, 103

Alcohol, formation of, 115

Alcoholic fermentation, 115, 117

Alexines, 249, 268

Alformant lamp for disinfection, 334

Algæ in water, 53

Ammoniacal fermentation, 115

Amylolytic ferments, 115

Anaërobic organisms, 132

— methods of culture, 139-142

— in hydrogen, 139, 140

— in glucose-agar, 142

— in Fränkel's tube, 140

— in Buchner's tube, 141

Aniline dyes, 44

Antagonism of organisms, 33

Anthrax, 19, 26, 30, 34, 245

— pathology of, 301

— spores of, 302

— bacillus of, 302

Antiseptics, 323, 332

— definition of, 322

— some of the chief, 332

Antitoxins, 245-250

— preparation of, 259

— use of, 263

— unit of, 263

Appendix, 337

Arthrospores, 17

Artificial purification of water, 73

Ascospores, 120

Asiatic cholera, 65

Association of organisms, 31

Attenuation of virulence, 36

Bacillus, definition of, 11

— aceti, 34, 129

— acidi lactici, 131, 185, 190

— amylobacter, 132

— anthracis, 26, 31, 34, 110, 301-305

— aquatilis, 53

— butyricus, 133

— coli communis, 32, 56, 58-62, 64, 67, 86, 88, 108, 151, 194, 237, 299, 315

— cyanogenus, 193

— diphtheriæ, 201, 212, 244, 289-296

— enteriditis sporogenes, 60, 86, 87, 316

— erythrosporus, 53

— fluorescens liquefaciens, 43, 53, 64, 86

— fluorescens non-liquefaciens, 53, 15

— of cholera, 65-69

— of diarrhœa, 203, 204

— of influenza, 315

— lactis erythrogenes, 193

— lactis pituitosi, 193

— lactis viscosus, 193

— liquefaciens, 53, 151

— of leprosy, 308-313

— of glanders (mallei), 299, 319

— mesentericus, 86, 151

— mycoides, 151

— of malignant œdema, 19, 172

— No. 41, 219

— pasteurianum, 130

— of scarlet fever, 202

— of symptomatic anthrax, 19, 171, 172

— of plague, 306-308

Bacillus prodigiosus, 34, 151, 193, 238

— pyocyaneus, 7, 34, 64, 110, 299

— pyogenes fœtidus, 34

— radicicola, 164

— saponacei, 193

— subtilis, 31, 86, 108

— synxanthus, 194

— of tetanus, 19, 168-171

— termo, 53

— of tubercle, 110, 212, 225, 274-291

— typhosus, 41, 50, 55-62, 212

— ubiquitous, 53

— of yellow fever, 316

Bacteria, action of, 26

— in sewage, 84

— and wheat supply, 161

— and fixation of nitrogen, 160-166

— in cheese-making, 220-227

— in the dairy, 215-227

— products of, 240, 241

— and disease, 264-321

— the higher, 11, 33

— in soil, 137-177

Bacterial action, 26

— treatment of sewage, 90

Bacteroids, 166

Beer diseases, 134

Berkefeld filter, 52

Biogenesis, 3

Biology of bacteria, 1-36

Bitter fermentation, 191

Blood serum, 22

Blue milk, 193

Boracic acid, 205, 331

Bread, bacteria in, 238

Broth, 21

Brownian movement, 14

Bubonic plague, 306-308

Buchner's tube, 141

Butter, bacteria in, 213, 214

— examination of, 214

— bacterial flavouring of, 215

Butyric fermentation, 115, 132, 191

Carbol-fuchsin, 44

Carbol-gelatine, 62

Carbolic acid as a germicide, 332

Caries, dental, 104

Chamber, moist, 41

Channels of infection in disease, 269

— in tubercle, 289

Cheese, bacteria in, 220

Chemical products of bacteria, 241

Chemical substances as disinfectants, 329

— and bacteriological examination of water compared, 51

— tests for nitrification, 158

Chemiotaxis, 15, 248

Chicken cholera, 320

Chinosol as a disinfectant, 336

Chloride of lime as a germicide, 331

Cholera, 65-68

— diagnosis of, 68

— and filtration, 75

— and milk, 200

Chromogenic bacteria, 193, 241

Cladothrix, 8, 33

Clark's process, 73

Classification, 7

Coccus, definition of, 8

Colon bacillus, see B. coli communis

Comma bacillus, 66

Commensalism, 162

Composition of bacteria, 12-14

Conditions affecting bacteria in water, 70

— in milk, 186, 187

Contagion, 270

Corrosive sublimate as disinfectant, 331

Counter (Wolfhügel), 49

Cover-glass preparations, 44

Cream, bacteria in, 213

Crenothrix polyspora, 53

Creosol as a germicide, 332

Cultivation beds, 92

Culture media, 20

— anaërobic, 139

— hanging drop, 44

— plate, 40-43

— pure, 20, 46

— shake, 62

Decomposition bacteria, 149

Denitrifying bacteria, 143, 149

Dental caries, 104

Deodorants, 323

Desiccation, 26

Diagnosis, 339

Diarrhœa of infants, 175, 316

Diphtheria, 243-245, 289-296

— bacillus of, 289

— toxins of, 244, 293

— and milk supply, 201

— and school influence, 294, 295

— pseudo-bacillus of, 296

Diplococcus, definition of, 8 Diplococcus of gonorrhœa, 300

— in pneumonia, 313

Directions for estimating disinfectants, etc., 324

Disease, production of, 264

Diseases of beer, 134

— of plants, 35

— of animals, 316-320

— conveyed by water, 81

— and soil, 173-177

Disinfectants, 322, 331

Disinfection, 322-336

— of a room, 335

— of walls, 335

— of bedding, 335

— of garments, 335

— of excreta, 335

— of wounds, 336

— of hands, 336

Domestic purification of water, 79

Dunham's solution, 69

Dysentery, 319

Earth temperatures and disease, 175

Economic bacteria, 145

Egg cultures, 340

Elsner's medium, 62

Endospores, 17

Enteric fever, see Typhoid

Enzymes, 114

Equifex disinfector, 328

— sprayer, 334

Erysipelas, 299

Examination, bacteriological—

— air, 96-99

— cholera, 68

— diphtheria, 290, 340

— leprosy, 309

— meat, 234

— milk, 227

— sewage, 80

— soil, 138

— tetanus, 170

— tubercle, 276, 339

— water, 43-48

— yeasts, 119, et seq.

Extracellular poisons, 244, 273

Fermentation, 111-136

— acetous, 115, 127

— alcoholic, 115, 117

— ammoniacal, 115, see under Soil

— butyric, 115, 132, 191

— lactic acid, 115, 130, 190

Ferments, organised, 114, 115

Ferments, unorganised, 114, 115

— chromogenic, 193

— curdling, 191

— bitter, 191

— slimy, 192

— soapy, 193

Films, 123

Filter, domestic, 79

Filter-beds, 74

Filtration, milk, 206

— method of air examination, 99

— sand, 77-79

Fission, 16

Fixing specimens, 45

Flagella, 15

— staining, 63

Food, bacteria in, 179, 180

Foot-and-mouth disease, 320

Formaldehyde and formalin, 205, 206, 333

Forms of bacteria, 8

Fränkel's tube, 140

— pneumococcus, 314

Friedländer's pneumo-bacillus, 315

Gas, production of, 62, 241

Gathering-ground, 38

Gelatine, 21

— carbol, 62

— liquefaction of, 44

Gemmation, 119

Gentian-violet, aniline, 44

Germicidal temperatures, 30, 207

Germicides, 322, 331

Glanders, 319

Gonorrhœa, 300

Gram's method, 44, 338

Gravity, influence on bacteria, 106

Gypsum block, 121

Hæmatozoa, 320

Hanging drop cultivations, 44

Hansen's method of dilution, 123

Heat as steriliser, 30, 326

Heredity, 268, 269

Hesse's method of air examination, 98

Higher bacteria, 11

High yeasts, 125

Hot air steriliser, 31

Hydrogen cultivation, 139

Hydrophobia, treatment of, 253

Ice-cream, bacteria in, 236-238

— examination of, 236

Immunity, 240-263

— acquired, 247, 250

— active, 250

— artificial, 250

— natural, 250

— passive, 250

Incubation period, 271

Incubators, 22

Indol, formation of, 61

— testing for, 61

Industries and bacteria, 135

Influenza, 315

Intracellular poisons, 34

Inversive ferments, 115

Involution forms, 12, 66

Kipp's apparatus for producing hydrogen, 27, 139

Klebs-Löffler bacillus, 289

Koch's plate method, 40

— postulates, 266

— comma bacillus, 66

— bacillus of tubercle, 276

Lactic acid fermentation, 115, 130, 185, 190, 221, 226

Lactose, 190

Leguminosæ, fixation of nitrogen by, 163

Leprosy, 308-313

Leptothrix, 8, 33

Leuconostoc, 17

Light, influence upon bacteria, 24-26, 70

Liquefaction of gelatine, 44, 241

Low yeasts, 125

Lymph, glycerinated calf, 252

Lyon's, Washington, disinfector, 328

Maceration industries, 135

Malaria, 177, 320

Malignant œdema, 19, 172

Mallein, 319

Mastitis, 184

Measles, 321

Meat, 234

Media, culture, 20

Merismopedia, 11

Method of examination, 43-47

Metropolitan water supply, 72

Miasmatic diseases, 176

Micrococcus, definition of, 8

— agilis, 16

— aquatilis, 53

— casei amari, 226

Micrococcus Freudenreichii, 192

— gonorrhœæ, 299

— tetragonus, 299

— viscosus, 192

Milk, bacteriology of, 178-213

— absorptivity of, 180

— sources of pollution, 181-184

— number of bacteria in, 185

— influence of temperature upon, 186

— influence of time of standing, 187

— fermentation bacteria in, 189

— constitution of, 189-195

— disease-producing power of, 195

— and tuberculosis, 197-199, 228, 290

— and typhoid, 199

— and cholera, 200

— and diphtheria, 201

— and scarlet fever, 202

— and thrush, 203

— methods of preservation of, 205

— and added antiseptics, 205, 206

— filtration of, 206

— sterilisation of, 207

— pasteurisation of, 208-213

— products, bacteria in, 213-227

— examination of, 227

— and economic bacteria, 215-220

— sterile, 181

— kinds of bacteria in, 188

— chromogenic, 193

— cooling processes, 207, 209

Moist chamber, 41

Moisture necessary for bacteria, 23

Motility, 14

Moulds, 116

Mycoderma aceti, 127

Nasal passages, bacteria in, 103

Natural purification of water, 69

Needles, platinum, 22, 24

Nitrates, 147, 154

Nitric organism, 157, 158

Nitrification, 76, 143-159

— chemistry of, 144-148

— stages in, 145

— bacteria of, 152

Nitrifying organisms, cultivation of, 156

Nitrogen, fixation of, 144, 160-168

Nitrous organism, 154, 158

Nodules on roots, bacteria in, 163

Oidium albicans, 203

Oxygen necessary for bacteria, 26

Oysters and bacteria, 229-234

Paraform for disinfection, 334

Parasitism, 27, 162

Parietti's method, 62

Pasteurisation of milk, 208-213

Pasteur's treatment of rabies, 253-258

Perlsucht, 283

Petri dishes, 50

Phagocytosis, 247

Phosphorescence, 26, 241

Pigment, formation of, 241

Place of bacteria in nature, 5

Plague, 306-308

Plant diseases, 35

Plate cultures, 40-46

Platinum needles, 22, 24

Pleomorphism, 12

Pneumo-bacillus, 315

Pneumococcus, 313

Pneumonia, 313

Polymorphism, 12

Postulates, Koch's, 266

Potato medium, 22

Pouchet's aëroscope, 96

Proteolytic ferments, 115

Proteus family, 86, 180, 297

— vulgaris, 60, 86, 151, 194

— zenkeri, 60

Pseudo-diphtheria bacillus, 296

Ptomaines, 179

Pure culture, 20, 46

Purification of water—

— natural, 69

— artificial, 73

Pus, 296

Putrefaction, 143-149

Pyocyanin, 299

Pyoxanthose, 299

Quantitative standard for water bacteria, 48, 49

— air bacteria, 107

— milk bacteria, 188

— soil bacteria, 137

Quarter evil, 19, 171

Rabies, treatment of, 253

— forms of, 253

— pathology of, 254

— results of treatment, 256

Reck's disinfector, 328

Reproduction of bacteria, methods of, 16

Retting, 135

Rinderpest, 320

Saccharomycetes, biology of, 119-121

— methods of examination, 122

— anomalous, 122

— apiculatus, 127

— aquifolii, 127

— cerevisiæ, 117, 124, 126

— conglomeratus, 126

— ellipsoideus I., 126

— ellipsoideus II., 126, 134

— exiguus, 127

— Hansenii, 127

— illicis, 127

— Ludwigii, 122

— mycoderma, 127

— pastorianus I., 127, 134

— pastorianus II., 127

— pastorianus III., 127, 134

— pyriformis, 127

Salicylic acid as antiseptic, 205, 206

Saprophytes, 27, 166

Sarcina, 10

Scarlet fever, 202, 321

Sedgwick's method of air analysis, 99

Sedimentation, 71, 73

Septic processes, 296

— tank, 90

Sewage, organisms in, 84

— bacterial treatment of, 89

Sewer air, 87

— and toxicity of bacteria, 105

Shake culture, 62

Shell-fish and bacteria, 229, 234

Small-pox, 251, 321

Soil, bacteriology of, 137

— examination of, 138

— kinds of bacteria in, 142-145

— and its relation to disease, 173, 176, 177

Species of bacteria, 29

Spirillum, definition of, 11

— of cholera, 66

Spontaneous generation, 2

Spores, kinds of, 17-19

— resistance of, 19, 278

— staining of, 19

— of yeasts, 122

Staining methods, 45

Staphylococcus, 10, 296

— cereus albus, 297

— pyogenes aureus, 88, 108, 297

Steam as a disinfector, 326

— disinfectors, 327-329

— steriliser, 326

— saturated, 327

— superheated, 327 Steam current, 327

Sterilisation, 29-31

— methods of, 30, 31

Streptococcus, 9, 297

— pyogenes, 299

— Hollandicus, 192

Streptothrix, 317

Structure of bacteria, 8

Sulphurous acid as a germicide, 332

Suppuration, 296-301

Swine fever, 320

Symbiosis, 162

Symptomatic anthrax, 171

Table of economic bacteria in soil, 145

Temperature, influence of, on bacteria, 23

Tetanus, 19, 168, 245

— toxin of, 168

Thresh's disinfector, 328

Thrush, 203

Tissues, effect of, on bacteria, 267

Tobacco-curing, 136

Toxins, 28, 241-247, 272

Tuberculin, 281

Tuberculosis, 274-292

— pathology of, 274

— varieties of, 275

— history of, 276

— conveyed by the air, 104

— and the milk supply, 196-198, 290

— giant cells in, 275

— bacillus of, 276

— cultivation of bacillus of, 277

— spores of, 277

— relation of bacillus to disease, 279

— toxins of, 281

— of animals, 283

— prevention of, 286-292

— disinfection in cases of, 292

— decline of, 288

— and overcrowding, 288

— channels of infection in, 289

— expectoration in, 290

Tuberculosis and house influence, 291

— and glanders, 319

Typhoid fever, 56

— bacillus of, 55-58

— micro-pathology, 57

— bacillus compared with B. coli, 58

— bacillus in sewage, 59

— bacillus in drinking water, 60

— tests for bacillus of, 61-64

— and soil, 173, 176

— conveyed by the air, 105

— and milk supply, 199

Tyrotoxicon, 205, 237

Unit of antitoxin, 263

Urea, 148

Vaccination, 251-253

Vaccines, plague, 257, 259

— cholera, 257

— small-pox, 251

Vaccinia, 251

Variolation, 250, 251

Virulence increased, 32

— diminished, 36

Water, bacteria in, 37-84

— number of bacteria in, 38

— examination of, 39-52

— disease organisms found in, 55

— natural purification of, 69

— artificial purification of, 73

— filtration of, 74

— domestic purification of, 79

— pollution of, 82

Wheat supply and bacteria, 161

Widal reaction, 63, 340

Wooden tongue, 318

Wool-sorters' disease, 305

Yeasts, 116

Yellow fever, 316

Ziehl-Neelsen stain, 44, 340

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