522 



INDEX 



Fuel value, 159 

 Fungus, 337, 338 



Galapagos Islands, 372 



Galen, 448, 452, 463 



Galileo, 452, 462 



Gall bladder, 146, 147, 152, 154, 155, 



182 

 Galton, 288, 380, 469 

 Game cock, 282 

 Gamete, 52, 57, 188, 230, 231, 238, 



243, 251-262, 291-305 

 Gametocyte, 52, 340 

 Ganglion, 101, 108, 199-216 

 Garpike, 115 

 Gastral cavity, 68-70 

 Gastric, glands, 153, 156; juice, 153, 



156; mill, 105; vacuole, 10, 35, 36, 



55 

 Gastropoda, 87 



Gastrula, 60, 75, 87, 98, 263-268 

 Gazelle, 325 

 Geddes, 316 

 Gene, 243, 249, 250, 282, 290 315, 



352, 353, 383, 384; mutation, 311 

 Genetics, 4, 281-305, 350. 377-384, 



420-425, 468-470 

 Genital- duct, See: Excretory and Re- 

 productive systems 

 Genotype, 291-305, 382 

 Genus, 47, 352, 353, 457 

 Geographical distribution, 368-373, 



384 

 Geological succession, 358-364, 370- 



371, 474 

 Geometrid moth, 327, 328 

 Germ, cells, 58, 59, 65, 188, 231, 232, 



255-250, 284, 297, 397, 467, 469; 



origin, 238-250; layers, 265, 268, 



272, 351; plasm, 232, 234, 236, 283, 



284, 469 

 Germinal continuity, See: Germ 



plasm 

 Gesner, 450, 451 

 Giardia, 396 

 Gibbon, 321, 427-429 

 Gide, 67 

 Gill, 88, 90, 113, 114, 117, 119, 145, 



146, 161, 162, 170-172, 180, 181, 



270, 364, 365; arch, 268, 358; 



pouch, 161, 162; slit, 110, 111, 



114, 115, 132, 133, 145, 146, 151, 



161, 162, 357, 364, 365 



Giraffe, 130, 285 



Girdle, limb, 142-144; See: Skeleton 



Gizzard, 102 



Glacial epoch, 359, 435, 436, 440, 441 



Gland, 63, 108, 126, 134, 148-153, 



154, 159, 180, 181, 193, 328, 333 t 



357, 358 

 Glanders, 391 

 Gliadin, 21 

 Globigerina, 49 

 Glochidium, 89 

 Glomerulus, 182, 186 

 Glossa, 330 

 Glossary, 492 

 Glottis, 147, 162, 165 

 Glucose, 22, 32, 182, 183 

 Gluten, 22 



Glycerol, 23, 151, 156 

 Glycogen, 157, 198 

 Goby, 113 

 Goethe, 474 

 Goiter, 197 

 Goldfish, 113 

 Golgi bodies, 19 

 Gonad, 74, 171, 188-195, 229; See: 



Ovary and Testis 

 Gonangium, 72, 73 

 Gonionemus, 477; See: Medusa 

 Gonorrhea, 391 

 Gonotheca, 72 

 Gopher, 323 



Gorilla, 356, 427-429, 431 

 Gout, 182 

 Grafting, 118, 237 

 Grantia, 68 



Grape, 389, 411; sugar, 182, 183 

 Grasshopper, 93, 97 

 Grassi, 392 

 Gray crescent, 268 

 Gray matter, 203, 207 

 Greeks, 2, 349, 422, 446-449, 471; 



See: Aristotle 

 Green gland, 105 

 Green plant, 30-35, 463 

 Gregarious, 336 

 Grew, 454 

 Gristle, 139 



Group conditioning, 438 

 Growth, 10, 25, 26, 28, 57; See: Anab- 



olism 

 Guinea-pig, 129, 291, 294, 296 

 Guinea worm, 80 

 Gullet, 55, 56 



