INDEX.
Reading edition
Abbe, Professor, 56.
Actinism, 71.
Adams, Professor, 195.
Africa, 116.
Ages, stellar, 238.
Air:
dancing, 17;
a medium, 33;
continuous, 176;
rarefied, 179;
motes, 181;
nimble, 191.
(See Atmosphere.)
Airless Mountains, 160.
Air-wave, 185.
Aitken’s Researches, 181.
Alaska, 38.
Aldebaran, 222, 235, 236, 246.
Algot, 228.
Allegheny Observatory, 17, 19, 84, 86.
(See Langley.)
Alphonsus Ring-plain, 156.
Alps, 39, 148, 151, 167, 181.
(See Apennines, Lunar.)
American Astronomers, 227.
American Continents, 20, 21, 31.
(See South.)
Andalusia, 53.
Animalculæ, 224.
Animals:
food, 74;
fright, 42.
(See Dog.)
Antares, 238.
Ants, 223.
(See Insects.)
Apennines, 151, 153, 155, 160, 167.
(See Alps, Lunar.)
Apples, 171.
Arab Traditions, 194.
(See Moslem.)
Arago, quoted, 41, 42.
Archimedes, 94.
Archimedes Crater, 151–153, 155.
Arctic Cold, 159.
Arctic Pole, 96.
Arcturus, 208, 211.
Aristillus Crater, 151.
Aristotelian Philosophy, 8.
Arzachel, 156, 161.
Asteroids, 128.
Astrology, 127.
Astronomers and Priests, 1–3.
(See American, New, Old.)
Astronomical Day, 85, 86.
Atmosphere, 136, 180;
as a shield, 216, 220.
(See Air.)
Atolls, 152.
Auger, simile, 31.
Aurora Borealis, 35, 67, 212.
Autolycus Crater, 151.
Axis, 9, 10.
Babel, 96.
Bain Telegraph, 88.
Balloons, 176.
Bees, 124.
(See Insects.)
Berkeley’s Theory, 70.
Berlin Observatory, 233.
Bernières’s Lens, 103.
Bessemer Steel, 104–108.
Birds, 172, 196, 197.
(See Animals.)
Black Hole, 73.
Bond, Professor, 204.
Boston, Mass., 88, 132.
Bothkamp, observations at, 66.
Breadstuffs, 78, 79.
(See Grain, Sun-spots, Wheat.)
Bridges, 20, 68.
Britain, Ancient, 1, 234.
(See England.)
British Isles, 14, 25.
Brocken Spectre, 55.
Brothers, Mr., 50.
Bubbles, 168.
Buffer, the air as a, 216, 220.
Bunsen’s Researches, 12.
Burnham, W. S., 233.
Burning-glasses, 102–104.
Burning Heat, 160, 163.
Cactus, 14, 24.
Calcutta, 73.
California, 151, 180.
Cambric Needle (q. v.), experiment, 132.
Cambridge Observations, 227, 245–247.
Camera Obscura, 63.
Campanus Crater, 163, 165.
Candle, simile, 39.
Cannon-ball, 5, 38, 41, 98, 135, 186, 211.
Canopus, 234.
Carbon, 72, 73, 107, 221.
Carbonic-acid Gas, 219.
Carpenter’s Studio, 140.
Carrington’s Work, 79, 87.
Carthage, 116.
Cassini, 42.
Cassiopeia, 229.
Cataclysm, 30.
Centimetres, 93.
Chacornac’s Drawing, 33.
Chambers, on sun-spots, 80.
Charleston Earthquake (q. v.), 42.
Chemical Elements, 221, 223.
Cherry-stone, comparison, 196.
Chicago:
great fire, 134;
astronomer, 233.
China:
lens, 103, 104;
soil, 180.
Chlorophyl, 73.
Chocolate, simile, 107.
Cholera, 80.
Chromosphere, 7;
clouds, 62;
forms, 64–68.
Cinders, 171.
Clark’s Glasses, 123.
Cliffs, 164.
Clock, 135.
Cloud-ocean, 179.
Clouds:
cirrous, 27, 28;
beautiful, 54;
and rain, 111;
formed, 249.
Coal-beds, 115.
Coal:
energy, 73–75, 111;
destroyed, 97;
wasted, 101;
stock, 112.
Cobweb, simile, 26.
Cold:
and eclipses, 40;
in planets, 136.
Colorado, 50.
Colors:
in eclipses (q. v.), 65;
mental, 70, 71;
in Jupiter (q. v.), 127;
in moon (q. v.), 168;
in stars (q. v.), 227;
spectrum (q. v.), 236.
Comet-hunters, 204, 207.
Comets:
chapter, 199–220;
Donati’s, 201, 204, 205, 207, 209, 217;
one part, 203;
parts and name, 208;
tail (q. v.), 208, 211;
diameter and parts, 216;
spectroscope, elements, dread, 219;
numerous, stone, 219, 220;
kernel, 220;
(1858), 213–216;
(1866), 200.
Common, A. A., 239, 247.
Compass, 86.
Connecticut Observations, 186, 242.
Converter, 104–108.
Coral, 151.
Corn, 111.
(See Grain.)
Corona, 7, 36, 37, 40, 41, 43, 45–52, 55, 56, 59, 60–62.
Cotton-mill, 74.
Counting, 94.
Cracks, celestial, 163.
Craters, 164.
(See special names.)
Crystalline Structure, 4, 23–27.
Cyclones, 24, 31, 32, 68.
Decay, 248, 249.
Delambre’s History, 207.
De la Rue’s Engraving, 125.
Delfthaven, 5.
Denning’s Theory, 197.
Diamonds, melted, 103.
Dies Iræ, 249.
Dipper, 207, 208.
(See Great Bear, Polar.)
Diurnal Oscillation, 87.
Dog, anecdote of, 42.
(See Animals.)
Donati, 201, 204, 205, 207, 209, 213, 217.
(See Comets.)
Double Stars, 233.
Draper, Professor Henry, 128, 246, 247.
Ducks, noise, 188.
Dust, 34, 100, 101, 102, 105, 197.
Dynamite, 182, 185, 220.
Earth:
relations, 3, 4;
description difficult, 6;
temperature (q. v.), 34, 101;
a string of earths, 96;
stars like, 118;
seen from outside, 133–135;
craters, 148.
Earthquakes, 220.
(See Charleston.)
Earth-shine, 167, 172.
Eclipses:
total, 7, 37;
screen, 36;
three, 39, 55;
partial, 40;
singular gloom, 39–43;
causing fright, 43;
colors (q. v.), 48, 56, 61, 65, 66;
(1842), 41;
(1857), 48;
(1869), 39, 40;
(1870), 44, 61;
(1871), 50, 66, 68;
(1878), 38, 50, 57, 58.
(See Total.)
Egypt, 116, 234.
(See Pyramids.)
Electricity, 13, 75, 76.
Electric Light, 7.
Electric Spark, 242.
(See Lightning.)
Electric Storm, 84, 85, 88.
Elizabeth, Queen, 115.
Engine-power, 98, 111.
England:
fleets, 2;
coal, 115.
(See Britain, London.)
Engraving, 17.
Enigma, 228.
Ephemera, 250, 251.
Equatorial Landscape, 13, 17, 18, 47.
Equatorial Telescope, 122.
Ericsson:
engravings, 112, 113;
discoveries, 163.
Eruptive Promontories, 66–68.
Etna, 164, 181.
Europe, size, 25.
Evolution, planetary, 139.
Explosive Forces, 182–194.
Eye, 71, 227.
Eye-pieces, 47, 63.
Fabricius’s Observations, 8.
Fact and Fancy, 175.
Factory, 73.
Faculæ, 32, 33.
Falling, 242, 243.
Falling Stars, 193.
(See Meteors, Shooting.)
Faraday, Michael, 76.
Fault, technical term, 156.
Faust, 139.
Faye:
theory, 29–32;
on Comets’ Tails, 212.
Fern-like Forms, 25, 26.
Filaments, 25–27, 30, 55, 56, 65, 66, 68.
Fire, in sun (q. v.), 92.
(See Flames, Heat.)
Fixed Stars, 233.
Flame-like Appearances, 23, 24.
Flames, 65, 66, 69, 185.
Flashes, 189, 195.
Flax, 111.
Flowers, color (q. v.), 70.
(See Rose, Plants.)
Foliage-forms, 32.
Fontenelle’s Story, 133.
Forbes’s Observations, 38, 39.
Frankenstein, 221.
Franklin’s Discoveries, 76.
Fraunhofer Studies, 235.
French Institute, 186.
Frost-crystals (q. v.), 23.
Furnaces, 101.
Galileo, 8, 121–123, 139, 140.
Gas:
glowing, 44;
in sun, 60.
Gas-jets, 40, 61, 68, 88.
Gassendi’s View, 172, 173.
Gelinck’s Observations, 80.
Geminids, 196.
Genii, 193.
Geographers and Geologists, 133.
Glare, 14, 18, 62–64.
Glass:
spun, 26;
globe, 145.
Glow-worms, 7, 117.
Good Hope Observations, 80.
Gould’s Researches, 80.
Grain, prices, 77, 80, 87.
(See Corn, Sun-spots, Wheat.)
Gramarye, 92.
Grass-blades, 66, 72.
Grasses, 26.
Gravitation, 72, 203;
negative, 215.
Great Bear, 207.
(See Dipper, Polar.)
Green’s Maps, 130.
Greenwich Observatory, 2, 81, 82, 84, 85, 88, 89.
Gulliver’s Travels, 131, 132.
(See Swift.)
Gunpowder, 186.
Guns, 135.
(See Cannon-ball.)
Hall Island, 130.
Hall, Professor, 131.
Hand, illustration, 168.
Harkness’s Observations, 44.
Harvests, 90.
Hastings, Professor, 60.
Heat:
development, 13;
concentration, 19;
loss, 29;
confinement, 33;
sensation, 71;
vibrations, 72;
energy, 91;
amount, 92, 97;
computation, 94–96;
diminution, 101;
emission, 102;
storage, 111;
in sugar, 188.
(See Flames, Sun.)
Hecla, 164, 181.
Hedgehog-spines, simile, 68.
Helmholtz’s Estimates, 98.
Hengist and Horsa, 1.
(See Britain.)
Hercules, 238.
Herschel, Sir John:
sun-spots, 12–14;
electric storms, 88;
comet’s tail, 216.
Herschel, Sir William:
avoidance of light, 18;
prices, 79;
sun-spots (q. v.), 129.
Herschel’s Outlines, 11.
Holden, Professor, 124.
Honeycomb Structure, 30.
Huggins’s Experiment, 234, 235.
Humanity, deified, 172.
Human Race, 250.
Humboldt, 195.
Humming-bird, 70.
Hunt, Professor, 136, 219.
Hydrogen, 68, 99, 237.
Ibrahim, King, story, 194, 195.
Ice:
melted, 95, 96;
never melted, 163, 164.
Imbrian Sea, 151.
Insects, 224, 250.
(See Ants, Bees.)
Iron:
melting, 19, 107;
appearance of cold, 25;
in sun, 28;
in man, 221;
in stars, 236, 237.
(See Steel.)
Ironstone, 188.
Ivy, 115.
Janssen’s Observations, 61.
Jevons, Professor, 80.
Joseph in Egypt, 90.
Jumping, 241, 242.
Jupiter, 79, 118, 124, 127–129, 156, 185, 229.
Kensington Museum, 221.
Kepler, on Comets, 219.
Kernels, 220.
Kew, 88.
Kirchoff’s Researches, 12.
Krakatao, 181, 185, 186.
La Harpe, quoted, 207.
Landscape, 169.
Langley, Prof. S. P.:
drawings, 15, 16, 18, 19, 21, 22, 25, 28, 30;
note-book, 24;
expedition, 180;
study of Reflection, 216.
(See Allegheny, Pittsburg.)
Latent Power, 220.
Laws of Nature, 250, 251.
Leaf-like Appearances, 23.
(See Willow.)
Lenses, 102, 103;
Galileo’s, 123.
Leo, 195, 197.
Liais’s Drawing, 48, 50.
Lick Glass, 123.
Light:
development, 13;
day and night, 35;
white (q. v.), 48;
mental (see Eye), 71;
from balloon, 179;
transmitted, 227.
(See Sun.)
Lightning, 75, 76, 242, 244, 245.
(See Electric.)
Lily, 73.
(See Flowers.)
Limited Express Train, 5.
Loaf-sugar, experiment, 188.
Lockyer’s Land, 130.
Lockyer’s Solar Physics, 59, 61, 236, 238.
Lombardy, 151.
London, 111.
Lost Pleiad (q. v.), 207.
Louis XV., 42.
Louis XVI., 221.
Lunar Alps (q. v.), 148, 149.
(See Moon.)
Lunar Apennines (q. v.), 153.
Lunar Shadows, 36, 37, 39, 56.
Lyrids, 196, 200.
Macartney’s Lens, 103.
Maelstrom, 27.
Magic Lantern, simile, 220.
Magnesium, 236, 237.
Magnetic Needle, 81, 82, 84, 85, 87, 89.
Mammoth Cave, 40.
Man, chemistry of, 221, 233.
(See Humanity.)
Manhattan Island, 111.
Mare Crisium, 143.
Mare Serenitatis, 143, 144.
Mars, 118, 128–132, 148.
Mason’s Publication, 137.
Matterhorn, 148, 167.
Mayflower, 5.
Meadows, 172.
Mecca, 175.
Medusa, 228.
Memnon, 234.
Mercator, 163, 165.
Mercury, 3, 118, 136, 229.
Messier, anecdote, 207.
Metals, melted, 103.
(See Iron.)
Metaphysics, 70, 71.
Meteorites:
around Saturn, 124;
recent, 187;
lawsuit, 187, 188;
analyzed, 191, 192;
in Iowa, 199, 200;
swarm, 200;
cracking, 211.
Meteors, 98, 175–198;
(1868), 189.
(See Falling, Shooting.)
Meunier’s Investigations, 192.
Mexican Gulf, 38.
Microcosm, 222.
Micromegas, 223.
Microscope, 224.
Middle Ages, 91, 175.
Milky Way, 224, 225.
Milton, quoted, 14, 38.
Mind-causation, 70, 71.
Mirror, 102, 107.
Mississippi, 134.
Mites, 224.
Mizar, 207.
M’Leod’s Drawing, 44.
Monochromatic Light (q. v.), 63.
Montaigne of Limoges, 207.
Mont Blanc, 156.
Monte Rosa, 167.
Moon:
practical observations, 2;
newly studied, 3;
distance, 4–6;
size, 5, 6, 140, 156;
shadows (q. v.), 36, 125;
in sun-eclipse, 41;
planetary relations, 117–174;
and Jupiter, 127;
photograph, 137;
full, 141, 144, 147;
Man in the, 143;
mountains, 144;
craters, 147, 148;
temperature, 159;
airless, 160;
landscape (q. v.), 169;
age, 171;
broken up, 192;
like comet, 215.
(See Lunar.)
Moslem Traditions, 175, 194.
(See Arab.)
Moss, 160.
Mouchot’s Engravings, 109, 112.
Mountain Sickness, 50, 53.
Naples, 155, 157.
(See Vesuvius.)
Napoleon, 80, 134.
Nasmyth’s Researches, 11, 12, 14, 24, 25, 140.
Nativity of Jesus, 229.
Nature’s Laws (q. v.), 176.
Nebulæ, 247.
Needle, 228.
(See Cambric.)
Neptune, 121.
Nerves, none in camera, 47.
Nerve Transmission, 5, 6.
New Astronomy, 4, 75, 76, 117, 121, 171, 193, 222, 224, 227, 235, 246, 248.
(See Old.)
Newcomb, Professor, 55.
Newspapers, printed by the sun, 74.
Newton, Professor, 191, 195–197.
Newton, Sir Isaac, 136, 203, 211;
on Comets, 215, 219.
Nightmare, 67.
Northern Crown, 208, 211, 230.
Novelists, theme for, 193, 228.
Nucleus, 11, 19, 216.
(See Comets, Corona.)
Oceans, 179.
Old Astronomy, 199, 203, 233.
(See New.)
Organisms in sun (q. v.), 13.
Orion, 238, 239, 247.
Oxygen, 73.
Pacific Ocean, 180.
Palinurus, 243.
Parable, 224.
Paris:
Observatory, 42, 233, 247;
Exposition, 112.
Parker’s Lens, 103.
Peirce, Professor, 44.
Pennsylvania Coal, 97.
Penumbra, 11, 19, 20.
Perpignan, France, 42.
Perseus, 196.
Persian Rugs, 70.
Philadelphia, 88.
Philosopher’s Stone, 92.
Phœbus, 34.
Phosphorus, 221.
Photographic Plate, 71.
Photography, 9, 19, 128, 236, 237, 241, 244, 247, 248;
rapid, 242.
Photometer, 56, 108.
Photometry, 230.
Photosphere, 7, 17, 64.
Pickering, Professor, 132, 227, 228, 246.
Pico Summit, 148.
Piffard, Dr. H. G., 245.
Pike’s Peak, 50, 53–57, 60.
Pilgrim Fathers, 5.
Pine-boughs, 25.
Pine-trees, 60, 72.
Pittsburg Observations, 18, 19.
(See Allegheny, Langley.)
Planetoids, 196, 197, 229.
Planets:
condition, 97;
pulverized, 100;
and moon, 117–174;
isolated, 176.
(See Jupiter, Mars, Mercury, Saturn, Sirius, Stars.)
Plants, 72, 73.
(See Flowers.)
Plato Crater, 147, 148, 151, 152.
Pleiades, 17, 231, 245.
(See Lost.)
Plume, The, 19, 23, 24, 55.
Pointers, 208.
(See Dipper.)
Poison, 222.
Polariscope, 49.
Polarization, 18.
Polarizing Eye-piece, 14, 18.
Polar Star, 230.
(See Great Bear.)
Polyp, 152.
Pores, 24.
Pouillet’s Invention, 93.
Printing, indebtedness to the sun, 74.
Prism, 63, 64.
(See Colors, Scarlet.)
Proctor’s Observations, 14, 59, 69, 87.
Prospero’s Wand, 221.
Ptolemy, 155, 161.
Pyramids, 99, 117, 233, 234.
(See Egypt.)
Pyrheliometer, 93.
Race, simile, 179.
Radiant Energy, 71, 74;
rate, 104.
Radiation, 101, 108.
Railway Explosion, 182, 183.
Railway, The, 156.
Rain, 111.
Rainbow, 70.
Ranyard’s Photographs, 50.
Red Sea, 116.
Reflection, 216.
Repulsive Force, 215.
Ribbons, 70, 236.
Rifts, 163, 164.
Rings, 123, 124, 152, 155.
(See Saturn.)
Rockets, 67, 68.
Rocky Mountains, 88, 89, 180.
Roman Boy, 34.
Rope, 20, 26.
Rose-leaf, 63, 70.
(See Leaves.)
Rowland’s Photographs, 237.
Ruskin, quoted, 29.
Russia, 134.
Rutherfurd Photographs, 8, 9, 137, 143, 155, 234.
Sal-ammoniac, 14, 25.
Salisbury Plain, 1, 2.
Sandstone, 192.
Saturn, 118, 119, 121, 123, 124, 127–129, 136, 215.
Saturnian Dwarfs, 223, 224.
Saul, comparison, 77.
Saxon Forefathers, 1, 2.
(See Britain.)
Scarlet, 67.
(See Colors.)
Schwabe, Hofrath, 76, 77, 87.
Scott, Sir Walter, quoted, 92.
Screen, 10, 35–37.
Seas, lunar (q. v.), 143.
Secchi, Father, 14, 15, 24, 25, 29, 30, 43, 59, 235.
Segmentations, 30, 31.
Self-luminosity, 215.
Sextant, 224.
Shadows. (See Lunar.)
Shakspeare, quoted, 60, 220.
Sheaves, 68.
Shelbyville, 42, 43.
Sherman, observations at, 88.
Ship, comparison, 133.
(See Steamer.)
Shooting-stars, 35, 193, 196, 198, 199.
(See Falling, Meteors.)
Sicily, 50.
(See Etna.)
Siemens, Sir William, 111.
Sierra Nevada, 151, 160, 180.
Signal Service, 90.
Silicon, 107.
Sirius, 179, 222–224, 236–238.
Slits, 59, 63, 64.
Smoked Glass, 11.
Snow-flakes, 19, 35.
Snow-like Forms, 25.
Sodium, 237.
Solar Engine, 75, 109.
Solar Light (q. v.), 13.
Solar Physics, 4, 12, 14.
(See Sun.)
Solar System, 228, 229.
South America (q. v.), 80.
South Carolina, meteors, 194, 195.
(See Charleston.)
Southern Cross, 234.
Space, 181, 211, 224, 227, 229.
Spain, expedition, 44.
Sparks, 107, 108.
Spectra, 231, 237.
Spectres, 54, 55.
(See Brocken.)
Spectroscope, 7, 50, 59, 61, 63, 64, 130, 176, 198, 219, 222, 233–235, 240.
Spectrum, 65, 235.
Spectrum Analysis, 12.
Speculations, 193.
Spinning-wheel, 115.
Springfield Observations, 44.
Spurs, 208, 212, 215.
Star of Bethlehem, 229.
(See Tycho.)
Stars:
new study, 3;
location, 4;
size, 4, 230;
seen in darkness, 35;
self-shining suns, 35, 118;
host, 117;
variety, 118;
five, 118;
elements, atmosphere, 179;
showers (see Meteors), 195;
seen through comet, 212, 215;
chapter, 221–250;
analysis, children, 222;
distances, 223;
intervals, 224, 227, 229;
colors (q. v.), glory, 227;
new, fading, 230;
double, 233;
relation to man (q. v.), 233;
fixed, 233;
changing place, 234;
mass, 237;
ages, 238;
photographed, 244, 247;
chart, 247;
death, 248.
(See Falling, Planets, Shooting.)
Steam, 74, 75.
Steamers, 21, 73, 115.
Steel, melted, 104–108.
(See Iron.)
Stellar Spectra (q. v.), 222, 236, 237, 244, 245.
Stevenson, George, 111.
Stewart’s Observations, 88.
Stonehenge, 1–3.
Stones:
from heaven, 175, 176, 186, 187, 191, 193;
Iowa, 199, 200.
(See Meteorites.)
Stonyhurst Records, 88.
Sumbawa Observations, 181.
Sunbeams:
lifting power, 72;
Laputa, 73;
printing, 74;
motes, 215.
(See Light.)
Sun:
practical observations in Washington, 2, 3;
new study, 3;
surroundings, 4, 35–69;
distance, 4–6;
size, 5, 6;
a private, 6;
views, 6–12, 15, 16, 20;
details, 7;
fire, 8, 91, 92;
telescopic view, 8;
axis, 9;
revolutions, 10;
surface, 17;
paper record, 18;
heat (q. v.) and eye, 19;
drawings exaggerated, 29, 30;
something brighter, 32;
atmosphere, 33, 34;
slits, 59;
miniature, 64;
flames (q. v.), 69;
energy, 70–116 (see Heat);
versatile aid, 74;
children, 75, 222;
shrinkage, 99;
ground up, 100;
emissive power, 104;
constitution and appearance, 111;
god, 116;
self-shining, 118;
studied from mountains, 167;
affected by dust (q. v.), 185;
and comet, 216;
elements, 233;
a star, 237;
life, 238;
candle, 249;
anecdote, 250.
(See Solar.)
Sunrise, 234.
Sunset, 181, 182.
(See Twilight.)
Suns:
millions, 224;
dwindling, 227;
periods, 241.
Sun-spots, 1–34 passim;
ancient, 8;
early observations, 8;
changing, 9;
great, 10, 20, 24;
individuality, darker, 11;
leaves (q. v.), 11, 12;
how observed, 18, 19;
typical, 21, 22;
relative size, 20;
hook-shaped (see Plume), 24;
signs of chaos, 27;
double, 32;
weather, 76, 90;
periodicity, 76–78;
temperature, 83;
records, 85;
variations, 87;
(1870), 9, 15, 16, 20;
(1873), 20–24;
(1875), 25, 28, 30;
(1876), 30, 32;
(1882), 80, 83–86, 90.
Superga, 38.
Swift, Dean, 73, 131, 132.
(See Gulliver.)
Sword Meteor (q. v.), 175.
Tacchini’s Investigations, 43, 49, 62, 66, 68.
Tail, 215, 216.
(See Comets.)
Tan, 71.
Taylor, Bayard, 139.
Telephone, 84, 89.
Telescopes:
many, 17;
best, 134;
alone, 227, 230;
use, 233, 234.
Temperature, 101, 102, 108;
of space, 224, 227.
Terminator, 147.
Thermometer, 71, 93, 102;
low, 160, 163.
Time, small divisions, 241.
Tippoo Saib, 221.
Total Eclipse (q. v.), 39–48 passim, 55, 59.
Trees, lacking, 168.
Tribune, The New York, 84.
Trinity Church, 72.
Trocadéro, 112.
Trouvelot, E. L., 119, 123, 225.
Turin, 38.
Twilight, small, 38.
Tycho, 144, 229.
(See Star.)
Tyndall, 98.
Umbra, 11, 12, 19, 20.
United States, comparison, 24.
Uranus, 3, 196.
Vapor, 28.
Vega, 235, 246.
Vegetables, 74.
Veils, 14, 17.
Venus, 118.
Vernier, 3.
Vesuvius:
crater, 155, 157;
eruption, 181, 183.
(See Naples.)
Vibrations, 72.
Victoria, 115.
Viscous Fluid, 26.
Vital Force, 14.
Vogel, H. C., 64, 66.
Voids, 181, 227.
Volcanoes, 27, 28;
in moon, 167, 193.
Wandering Star, 101.
(See Comets, Falling.)
Washington:
Observatory, 2, 86–88;
telescope, 122;
Monument, 182.
Water, 152;
in man, 221.
Waterloo, 80.
Water-wheel, 111.
Watson’s Observations, 49.
Wheat, prices, 79.
(See Breadstuffs, Corn, Grain, Sun-spots.)
Wheel, comparison, 10.
Whirlpools, 28, 31.
Whirlwinds, 23, 31.
White Light (q. v.), 48, 62, 63.
Whitney, Mount, 177.
Willow-leaves (q. v.), 11, 12, 14.
Wing, simile, 215.
Winlock, Professor, 44.
Withered Surfaces, 168, 171.
Wood-engraving, 50.
Worlds and Clouds, 249.
Wrinkles, 172.
Xeres, Spain (q. v.), 44, 53.
Young, Professor:
spectroscope, 44, 50, 65, 234;
observations, 56, 59, 61, 68, 69;
magnetism, 87, 88;
radiation, 101.
Zodiacal Light, 55.
University Press: John Wilson & Son, Cambridge.