INDEX. 



707 



Horse, genealogy of, 602 

 races of, 604 



House-fly, 374 



Hamming-bird, 551 



Hyalonema boreale, 48 



Hybocodon, CO 



Hybrid ducks, 543 



Hybridity, 657 



Hydatids, 158 



Hydra, anatomy of, 52 



development of, 56 

 vulgaris, 52 



Hydractinia ecliiuata, 56 



Hydroidea, 52, 72 



Hydrozoa, 52, 71 



classification of, 73 

 nervous system of, 62, 65 

 organs of taste in, 63 



Hyla Pickeringii, 484 



Hylobates, 622 



Hylodes Martinicensis, 485 



Hymenoptera, 379, 387 



Hyocrinus, 102 



Hyoganoidei, 431 



Hyperia, 68, 311 



Hyperoartia, 410 



Hyperotetra, 410 



Hypobythius calycodes, 202 



Hypodermis, 289 



Hyracoidea, 599, 629 



Hyrax, 599 



IBLA, 293 



Ichneumon fly, 381 



Ichthyopterygia, 511, 517 



Ichthyornis, 538 



Ichthyosaur, 512 



Idotsea, nervous system o2, 306, 



310 



Idyia roseola, 93 

 Iguana, 504 

 Iguanodon, 515 

 Individuality, 656 

 Ineducabilia, 582 

 Infusoria, 31, 40 

 Inheritance, law of, 11 



Insectivora, 587, 629 



Insects, anatomy of, 328 

 brain of, 339 

 characters of, 327 

 classification of, 385 

 digestion in, 336 

 ears of, 345 

 eye of, 345 

 embryology of, 349 

 locomotion in, 347 

 metamorphosis of, 328 

 parthenogenesis in, 353 

 polymorphism in, 368 

 respiration of, 343 

 senses of, 346 

 useful, 354 



Instinct, nature of, 680 



Isopoda, 305 



Isurus punctatus, 420 



Ixodes albipictus, 359 

 bovis, 360 



JACCHUS, 620 

 Jaws, 631 

 Jelly-fish, 62 

 Julus, 356 



KANGAROO, 575, 577 

 Katydid, 676 

 Killer-whale, 595 

 King-bird, 552 

 King-crab, 317 

 Kinglet, 555 

 Kiwi-kiwi, 538 

 Kogia Floweri, 594 



LABYRINTHICI, 457 

 Labyrinthodou, 482, 483 

 Labyrinthodontia, 482 

 Lacertilia, 501, 517 

 Lachnosterna fusca, 372 

 Lactophrys trigouus, 462 

 Lselaps, 515 



Lagopus leucurus, 546, 547 

 Lamellibranchiata, 242 



classification of, 256 



