s@52709@52709-h@52709-h-22.htm.html#Page_215" class="pginternal">215.

Caseine, 422.

Castelli, Experiment of, 78.

Catalepsy, How to induce, 12.

in fowls, 12.

Cataleptic fowl, The, 12.

Cell, A botanical, 661.

Cells, Animal, 704.

Plant, 661.

Cellular tissues, 661.

Cementation, 398.

Centre of Gravity, 25.

magnitude, 34.

parallel forces, 34.

Centrifugal force, 43.

Cephalopods, 725.

Ceres, Discovery of, 528.

Chalk, Fossils of the, 589.

Chance, Analysis of, 726.

Chemical attraction, 25.

Chemistry, Early history of, 336.

Introduction to, 307.

Organic, 410.

Sleight of hand and, 335.

The science of, 22.

without a laboratory, 313.

Children,, Simply-made toys for, 764.

Trapeze and swing for, 763.

Chladni’s figures, 195.

Chlorine, 366.

Uses of, 367.

Chloroform, Use of, 420.

Chlorophane, 333.

Chlorophyl, Definition of, 660.

Chromatic aberration, 104.

Chromosphere, The sun’s, 499.

Chromium, 404, 446.

Chromograph, The, 748.

Chronograph, The, 478.

Chronometers, Solar, Use of, 563.

Circles, Optical illusions with, 131.

Circulating fountain, The, 454.

Cirripeds, The, 723.

Classification of animals, 701.

plants, 694.

Clay, Uses of, 321.

Cleavage attribute of minerals, 432.

Clepsydra, The, 479.

Climate, Differences in, 653.

Meaning of the term, 652.

Climatology, 651.

Clock, A cosmographical, 559.

Cadot’s, 752.

Houdin’s, 752.

Roberts’, 753.

Clock-lamp, A, 759.

Clocks, Ancient, 716.

Eocene formation, The, 591.

Epidermis of plants, 664.

Epsom salts, 395.

Equator, Magnetic, 256.

Equilibrium, Laws of, 28.

Equatorial, The, 478.

Equinoctial, The, 495.

Equinoxes, Precession of the, 497.

Solstices and, 496.

Eruption, Signs of an, 621.

Estimation, ocular, Illusions of, 116.

Ether, 419.

Stillness of, 168.

The nature of, 93.

Eudrometer, Use of the, 353.

Europe, Geological date of, 593.

Eusthenes, Experiment by, 38.

Evaporation defined, 83.

Laws of, 84.

Exogens, Endogens and, 665.

Experiments, Some of Edison’s, 269.

Eye, Accommodation in the, 103.

Light in the, 142.

The, an optical instrument, 102.

Faculae, what they are, 498.

Fata Morgana, The, 649.

Felspars, 442.

Fertilization of plants, 682.

Fibrine, 422.

Figures, Chladni’s, 195.

Fiords, Norwegian, 615.

Fire, Green, 393.

Red, 395.

Fish, A fossil, 577.

Electric, 284.

Magic, 281.

New swimming toy, 765.

Star, 713.

Fishes, how they breathe, 358.

Fixed stars, The, 535.

Flames, Sensitive, 195.

Singing, 195.

Flowers, artificial, Colouring of, 329.

what are they, 675.

Fluorine, 368.

Flying, Earliest attempts at, 294.

Foraminifera, The, 705.

Force, Centrifugal, 43.

Definition of a, 4.

Forces, Natural, 22.

Parallel centre of, 34.

Formation, Carboniferous, 578.

Eocene, 591.

Jurassic, 586.

Lias, 586.

Maestricht, heat and, Connection of, 94.

in the eye, 142.

of an electric spark, 119.

oxy-hydrogen, The, 160.

Polarization of, 155.

producer of life, 660.

Reflection of, 95.

Refraction of, 96.

Velocity of, 94.

what made up of, 143.

Zodiacal, 500.

Lightning, Forked and sheet, 289.

Colour of, 288.

Lights, Bengal, how made, 404.

Comparison of, 99.

Lime, Salts of, 393, 437.

Lines, Isoclinic, 257.

Isodynamic, 257.

Isogonic, 257.

Isothermal, 653.

oblique, Influence of, 121.

LinnÆan system, The, 695.

Liquids, Definition of, 4.

Displacement of, 69.

Gases and, 44.

Lithium, 393.

Longitude, Latitude and, 505.

Lontin, Ladd and, 275.

Ludion, The, 57.

Luminous paint, 160.

surfaces, Laws of, 107.

Machine, electric, To make an, 207.

Tree-felling, 767.

Writing, 246.

Machines, Electro-magnetic, 272.

Maestricht formation, The, 590.

Magic squares, 732.

top, The, 740.

Magnesian limestone, The, 583.

Magnesium, 395, 439.

Magnet, A natural, 231.

Definition of a, 231.

Magnetic dip, The, 256.

inclination, 256.

Magnetism, Electro, 255.

Terrestrial, 645.

Magnetization, 232.

Magnets in ancient times, 254.

Magnitude, Centre of, 34.

Man, cave, The, 598.

during the Glacial Period, 597.

prehistoric, 597.

river-drift, The, 598.

Manganese, 400, 445.

Mars, Moons round, Pencil, Edison’s Pneumatic, 454.

Pendulum, Description of the, 42.

The, 481.

Variations in the, 42.

Period, The Glacial, 595.

Permian formation, The, 582.

Fauna of, 582.

Phantom band, A, 196.

Pharaoh’s serpents, 315.

Phases of the Moon, 515.

Phenakistoscope, The, 110, 121.

Phenomena, Atmospheric, 642.

Chemical, 22.

Meteorological, 20.

Nature, 3.

of contrast, 112, 113.

Physical, 22.

Phial of the four elements, 47.

Philosophy, Natural, 4.

Phonograph, Edison’s, 190.

Phosphorescence, 331.

Phosphorus, Bologna, 333.

how obtained, 381.

Photography, Camera for, 151.

Instantaneous, 153.

Photometers, 101.

Photometry, 101.

Photophone, The, 155.

Photosphere, The, 499.

Phraseology, Chemical, 338.

Physics, Meaning of, 22.

Mechanical, 31.

Pile, A microscopic, 200.

hermetic, The, 283.

Volta’s first, 219.

Zamboni, 221.

Pins, scarf, Electrical, 281.

Pisces, Constellation, 540.

Pistil, The, 678.

Pistils, Use of, 665.

Pitch, Musical, 193.

Plains, 626.

Planet, The giant, 528.

Planets, Comparative sizes of, 487.

List of the, 487.

Minor, 489, 527.

Moons of the, 489.

Plant, Definition of a, 661.

Plants, Classification of, 694.

Flowering, 664.

Growth of, 665.

Monoecious, 681.

Non-flowering, 686.

Similarity of, to animals, 658.

Structure of, 576.

Laurentian, 573.

Silurian, 575.

The Solar, 487.

Systems, PalÆozoic, 573.

Tablelands, Plateaus or, 626.

Tadpoles in aquaria, 10.

Talking head, How to work, 135.

Tangent galvanometer, The, 227.

Tanning, 414.

Tanning, Process of, 414.

Tap, A new kind of, 762.

Tape-worms, 716.

Tar, Uses of, 378.

Taurus, Constellation, 537.

Telegraph, Automatic, 243.

electric, Discovery of, 232.

Ordinary form of, 234.

Telegraphic system, New, 244.

Telegraphs, Early, 232.

Telegraphy, Practical, 239.

Submarine, 243.

Telephone, Description of the, 186.

Invention of the, 186.

Telescope, Achromatic, 149.

Description of the, 147.

Divided, explained, 135.

Introduction of the, 469.

reflector, The, 149.

Telescopes, 149.

Tellurium, 386.

Terminations, Chemical, 337.

Tertiary period, The, 591.

Thaumatrope, The, 110, 121.

Theatre, The praxinoscope, 126.

Theory, atomic, The, 309.

Thermo-dynamics, Definition of, 73.

Thermometer, How to make a, 79.

Invention of the, 78.

Thermometers, Alcoholic, 80.

Thunder, Causes of, 291.

Thunderstorms, Precautions, 283.

Tides, Ebb and flow of, 612.

Influence of the moon, 517.

Science of the, 614.

Time, Ancient measurements of, 479.

Equation of, 482.

Sidereal, 478.

Tin, Crystallization of, 324.

Uses of, 403, 446.

Tissues, Cellular and vascular, 661.

Top, The dazzling, 128.

The magic, 740.

Topophone, Description of the, 180.

Invention of the,

Decoration