950 



INDEX 



Ganoids, 6, 632, 636. 

 Gapes, 241. 

 Garden spider. 422. 

 Gasteropoda, 8, 471. 



— life-history of, 476. 



— mode of life of, 474. 



— parasitic, 476. 



— past hi«^ory of, 477. 

 Gasterosteus, 627, 628. 

 Gastraea theory, 85. 

 Gastric filaments, 186. 



— juice, 30. 



— mill of crayfish, 328. 

 Gastroliths of crayfish, 329. 

 Gastrula, 41, 81, 572. 

 Gavials, 717. 



Gazella, 852. 



Gecarcinus, 353. 



Geckonidae, 693, 6g6, 702. 



Gemmation = Budding, 62, 169. 



Gemmules, 160. 



Genealogical tree, 15. 



Genes, 54, 93- 



Genetta, 872. 



Geodesmus, 214. 



Geodia, 158. 



Geographical distribution, 895, 906. 



— — problems of, 903. 

 Geological record, 98, 206. 

 Geonemertes, 234, 235. 

 Geophilus, 368, 369. 

 Geotria, 585. 

 Gephyrea, 244. 



Germ cell variations, 911. 

 ■ — cells, 6x. 



— plasm, 89. 

 Germinal vesicle, 67. 

 Geryonia, 171, 205. 

 Gestation, 830. 

 Gharials = Gavials, 717. 

 Gibbon, 885, 886. 



— hind-limb of, 891. 



— pelvic girdle of, 796. 



— thoracic skeleton of, 779. 

 Gigantostraca, 429. 



GiU, Teleostean, 622. 



books, 427, 429. 



clefts, 46, 529, 554, 565- 



— -.slits of Balanoglossus, 496. 

 Gills. See Respiratory system. 

 Giraffe, 852. 



Gizzard of Birds, 762. 



— of cockroach, 374. 



— of crayfish, 328. 



— of crocodile, 713. 



— of earthworm, 250. 



— of pigeon, 737, 747- 

 Glandiceps, 490. 

 Glass-rope sponge, 164. 

 Glenoid cavity, 780, 794. 



— fossa, 791, 868. 

 Globe fishes, 627, 641. 

 Globicephalus, 864. 

 Globigerina, 131. 



Glochidium of Anodonta, 454, 455- 

 Glomeris, 369. 



Glossina palpalis, 145, 410. 



Glossopharyngeal nerve, 545. 



Glossophora, 470. 



Glutathione, 26. 



Glycogen, 30, 32, 329, 441. 



Glyptodontidae, 845. 



Gnathobdellidae, 280. 



Gnathostomata, 574. 



Gnats, 406. 



Golgi apparatus, 53. 



Gonads = Reproductive organs, 46. 



Gonapophyses of cockroach, 372. 



Gonophores, 184. 



Gordiidae, 236, 243. 



Gordius, 243. 



Gorgonia, 201, 205. 



Gorgonocephalus, 300. 



Gorilla, 885, 887. 



— skeleton of, 889. 



— skull of, 887. 

 Graafian follicle, 571, 817. 

 Graffilla, 214. 



Grafting experiments in embryos, 84. 

 Grampus, 864. 

 Grantia, 163. 

 Graptolites, 99, 202, 205. 

 Grass snake, 707. 



skull of, 708. 



Grasshoppers, 389, 390. 



Green gland of crayfish, 332, 356. 



Gregarina, 124, 150, 247. 



■ — Irfe-history of, 124. 



Gregarines, end-to-end union of, 125. 



Gregarinida, 135. 



Grey crescent, 80. 



— matter of brain, 797. 

 Gromia, 132. 



Ground sloths, 844. 

 Growth, 21, 58, 

 Gubernaculum, 811. 

 Guinea-pig, 867. 



— worm. 242. 

 GuU, skull of, 741. 

 Gunda, 214. 

 Gurnards, 641. 

 Gymnoblastic, 202. 

 Gymnomyxa, 130. 

 Gymnophiona, 680. 

 Gymnosomata, 474. 

 Gymnotus, 591. 

 Gynaecophoric canal, 223. 

 Gypaetus, young, 732. 

 Gyrocotyle, 229. 

 Gyrodactylus, 222. 



Haddock, 616, 616. 



Haemadipsa, 279. 



Haemocoele, 330, 363, 365, 393. 



Haemocyanin, 330, 356, 414. 



Haemoflagellata, 133. 



Haemoglobin of blood, 34. 



Haemopis, 279. 



Haemosporidia, 135. 



Hag, 6, 574, and see Myxine. 



Haimea, 195. 



Haimeidag, 200. 



