314 



INDEX 



Gorilla, 239 



Graham, Thomas, 68 



Granite, 26, 30, 32 



Graphite, 32, 47, 118, 153 



Gravitation, see Energy of gravitation 



Gravity, 68; see Energy of gravitation 



Great Bahama Banks, 90 



Great Britain, 217 



Great Plains, 213, 262 



Gregory, W. K., 149, 235 



Grenville, 50, 100, 103, 104, 153 



Greyson shales, 120 



Growth, 16, 61, 75, 142, 144, 147 



Gymnosperms, 108 



Gymnotus, 174, 176 



H 



Habitat, adaptations, 155-159, 257, am- 

 bulatory, 216, burrowing, 120, 126, 128, 

 climbing, 227, 239, 243, cursorial, 190, 

 212, 227, 229, 243, 259, 266, digging, 

 239, flying, 199, 226-230, 239, gravipor- 

 tal, 259, 263, leaping, 239, parachute, 

 227, running, 239, saltatorial, 243, swim- 

 ming, 127, 128, 142, 143, 161, 162, 187, 

 199, 230, 231, 260, volplaning, 239; ma- 

 rine, 19S, 198, 200-202, 205, 260; zones, 

 152, 157-159, 179, 199, 236, 238-241, 

 254, 257, aerial, 130, 131, 133, 156, 157, 

 194, 227, 239, aero-arboreal, 239, aquatic, 

 179, 187, 198-210, 227, 230, 241, 260, 270, 

 abyssal, 120, 131, 156, 173-17S, 239, 

 deep-sea, 120, 194, fluviatile, 131, 156, 

 194-196, 198-202, 239, 270, lacustrine, 

 156, littoral, 119, 131, 156, 162, 174, 186, 

 199-202, 239, 270, paludal, 201, palus- 

 tral, 156, 179, 200, pelagic, 115, 119, 120, 

 122, 126, 127, 131, 156, 200-210, 239, 

 arboreal, 130, 131, 156, 203, 227, 229, 

 230, 235-239, 241, 243, 244, arboreo- 

 terrestrial, 227, 236, 239, 243, fossorial, 

 126, 131, 156, 179, 239. terrestrial, 130- 

 133) 136, 156, 179, 186-188, 194-196, 

 198-204, 210, 211, 227, 229, 230, 239, 

 241, 243, 244, 258, 260, 270, terrestrio- 

 aquatic, 194, 202, 239 



Haeckel, Ernst, 152 



Hair, 147, 290 



Hale, George Ellery, 47 



Halinicda, 103, 104 



Halley, Edmund, 35 



Hamilton, 134, 136, 138 



Hand, 149, 150 (Fig.), 184, 215, 250, 251 



Hartleb, R., 83 



Head, 129, 183, 187, 190, 208, 209, 222-226, 

 252, 259, 279 



Heart, 192 



Heat, see Energy of heat 



Heliotropism, 52, in, 113 



Helium, 41 



von Helmholtz, H. L. F., 12, 13, 53 



Hemocyanine, 66 



Hemoglobin, 67, 247 



Henderson, Lawrence J., 9, 20, 70 



Heraeus, 82 



Herbivora, 263, 265, 266; see Food adapta- 

 tions, herbivorous; Herbivore 



Herbivore, 263; see Food adaptations, 

 herbivorous; Herbivora 



Heredity, 10, 16, 19, 63, 77, 78, 93, 94, 98, 

 146, 147, 239, 281, 282, 289; see Chro- 

 matin, heredity-; Germ, heredity- 



Hertwig, Gunther, 94 



Hertwig, Oskar, 94 



Hertwig, Paula, 94 



Hcsperornis, 230 (Fig.) 



Himalayas, 255, 256, 274 



Ilipparion, 266, 267 (Fig.) 



Hippopotamus, 239, 292 



Hitchcock, Edward, 210 



Hoatzins, 227 



Holoptychius, 170 (Fig.) 



Holothurian, 126, 127; see Holothuroidea, 

 Sea-cucumbers 



Holothuroidea, 125, 291; see Holothurian, 

 Sea-cucumbers 



Hoppe-Seyler, 51 



Hormones, 5, 74, 77, 78, 106, 116, 150, 246, 

 280 



Horns, 149, 224, 260, 264 (Fig.), 265 



Horse, 151, 159, 258 (Fig.), 260, 262, 263, 

 266-268 (Figs.), 292 



Horseshoe crab, 124 (Fig.), 125, 132, 291 



Hot springs, 102, 103 



Howe, Marshall A., 67, 104, 105 



von Huene, Friedrich, 221 



Humidity, 135, 180, 258 



Huntington, Ellsworth, 136 



Hiippe, 82 



Huronian, 50, 153 



Hutton, James, 24 



Huxley, Thomas, 28, 57, 72, 191, 194, 235, 

 237, 240, 241, 255, 274 



Hyanodon, 241 



Hyatt, Alpheus, 108, 152 



