6o2 



INDEX 



Glochidia, 324. 



Glomeruli, of mesonephros, 65, 



5°3- 



of pronephros, 503. 

 Glossina, 150. 

 G. morsitans, 150. 

 G. palpalis, 149, 150. 

 Glottis, of frog, 47, 61. 



of rabbit, 441. 

 Glycogen, 50, 309. 

 Gonads, 65. 



See also Generative organs. 

 Gonangium, 179. 

 Gonapophyses, 276. 

 Gonotheca, 179. 

 Green colour in plants, 167, 531, 



533, 534- 

 Groove, cervical, of crayfish, 240. 



epibranchial, 332, 335. 



oronasal, 340. 

 Growth, 7, 9. 

 Gubemaculum, 446. 

 Gullet, of Balantidium, 158. 



of Nyctothcrus, 158. 



of Paramecium, 129. 



of Vorticella, 138. 



See also Gisophagus. 

 Gut. See Alimentary canal. 

 Gymnophiona, 384, 518. 

 Gymnospores, 127. 



Haddock, 381. 

 Hamamceba, 151. 

 Hamatococcus, 534, 535- 

 Haemoccele, 230, 256. 



See also Perivisceral cavity, 

 hsemoccelic ; Vascular sys- 

 tem. 

 Hasmocyanin, 257. 

 Halteres, 290. 



Hand. See Limb, fore ; Feet of 

 mammals. 



of frog, 25. 

 Hardening, 554. 

 Hare, the, 419, 512. 

 Heart, 18. 



of cockroach, 277. 



of cod, 382. 



of crayfish, 253. 



of dogfish, 359. 



of frog, 52. 



Heart — 



of pigeon, 415. 



of rabbit, 448. 



of reptiles, 389. 



of skate, 377- 



of swan mussel, 321. 

 Hearts of earthworm, 226. 



lymph-, of frog, 61. 

 Hemimetabola, 285. 

 Hemiptera, 287, 515. 

 Hepato-pancreas, 251. 

 Heredity, 8, 109, 196, 527, 544. 

 Hermaphrodite, 10. 

 Hermit crabs, 538, 539. 

 Herring, 381. 

 Heteroccelous, 404. 

 Heterozygote, 528. 

 Hexapoda. See Insects. 

 Higher organisms, 18. 

 Hirudinea, 515. 

 Hirudo, 234. 

 Histology, 83. 



Historical factor in behaviour, 15. 

 Holometabola, 285. 

 Homologous organs, 521. 

 Homozygote, 528. 

 Hormones, 51. 

 Horses, 465, 468. 



legs of, 466. 



skull of, 467. 



teeth of, 468. 

 Hyaloplasm, 85. 



Hydra viridis, H.fusca, H.grisea, 

 161. 



anatomy of, 161. 



embryology of, 171. 



enteron of, 162, 166. 



excretion in, 170. 



food of, 169. 



histology of, 165. 



movements of, 169. 



reproduction of, 170. 



tentacles of, 161, 163, 563. 

 Hydranths, 174. 

 Hydroids, 173. 

 Hydrorhiza, 174. 

 Hydrotheca, 174. 

 Hydrozoa, 514. 

 Hymenoptera, 286, 515. 

 Hypoblast, 478, 488, 495, 504. 

 Hypophysis. See Pituitary body. 



