534 



INDEX 



Glvcogenase, 173 

 Goiter, 197 

 Golgi elements, 48 

 Gonad, 209 

 Gonads, 55 



and hormones, 204 

 Gonangium, 306 

 Goniobasis, 390 

 Gonionemus, 304 

 Gordiacea, 337, 438 

 Gordius, 336, 337 

 Gorgonacea, 311 

 Gorgonia, 311 

 Gorgonocephalus, 350 

 Gradient, metabolic, 333 

 Granulocytes, 79 

 Grass-bison biome, 464 

 Grasshopper, 415 



external features, 417 



internal structure, 423 

 Grassland formation, 404 

 Gray matter, 136 

 Gregaloid colony, 278 

 Gregarina, 275 

 Gregarinida, 274 

 Growth, 210 

 Guinea worm, 438 

 Gynecophoric canal, 447 



H 



Haeckel, Ernst, 35 

 Haemosporidia, 274 

 Haliclystus, 308 

 Halteria, 273 

 Haploid, 211 

 Haplosporidia, 275 

 Harelip, 228 

 Harvey, William, 32 

 Heart, development of, 220 



of bullfrog, 70 



of rat, 126 

 Heat, 224 



Heidelberg man 495 

 Heliozoa, 271 

 Helisoma, 380 

 Helix, 380 



Hemichorda, 147, 148 

 Hemispheres, 134 

 Hemocvanin, 178 



Hemoglobin, 45, 79, 130, 179, 343, 350 

 Hemolymph, 178 

 Hemophiliacs, 180 

 Hepatic portal system, 75 



vein, 129 

 Heredity, human, 250 



physical basis of, 238 

 Hermaphroditism, 192, 233 

 Hermit crab, 410 

 Hernia, diaphragmatic, 228 



239 



Heterodont, 113 

 Heterotrichida, 272 

 Heterozygous individual, 

 Hewatt, Dr. Willis, 472 

 Hexylresorcinol, 341, 443 

 Hilum, 140 

 Hind brain, 218 

 Hippocrates, 31 

 Hirudinea, class, 355 

 Hirudo, 355 

 Histology, 19 

 History of zoology, 31 

 Holothuria, 301 

 Holothurioidea, 361 

 Holotrichida, 272 

 Holozoic, 269 

 Homo, 20 



neanderthalensis skull, 495, 497 

 sapiens, 494, 497 

 Homologv, 225, 399 



serial, 399- 

 Homonomous, 393 



Homozygous individual, 239 



Hooke, 39 



Hookworm, 23, 438, 443, 445 

 treatment of, 443 



Hopkins, Dr. Sewell H., 428 



Hormones, 195 

 gonadal, 204, 207 



Horse bot, 440 

 evolution of, 492 



Horsehair snake, 335, 

 worm, 23 



Hudsonian zone, 475 



Human heredity, 250 



Humboldtiana, 383 



Humerus, 114 



Humor, aqueous, 94 

 vitreous, 94 



Huxley, Thomas H., 



Hyaloplasm, 48 



Hydra, 303 



external anatomy, 



Hydrobios, 474 



Hydrocephalus, 234 



Hydrocorallina, 307 



Hydrolysis, 170 



Hydrorhiza, 306 



Hydrosphere, 459 



Hydrozoa, 304 



Hymenolepsis, 324, 456 



Hyoid, 217 



Hyperbranchial groove, 156 



Hyperthyroidism, 198 



Hypnotoxin, 316 



Hypobranchial groove, 156 



Hypoglossal nerve, 137 



Hypophysis, 91 



Hypostome, 314 



Hypotrichida, 273 



336 



17 



313 



