INDEX. 



707 



Horse, genealojry of, 603 



races of, 604 

 House-fly, 374 

 Humming-bird, 551 

 Hyaloiiema boi'eale, 4S 



loiigissimum, 48 

 Hybrid diiclis, 543 

 Hybridity, 637 

 Hydatids, 158 

 Hydra, anatomy of, 53 



development of, 56 



vulgaris, 52 

 Hydractinia ecliinata, 56 

 Hydroidea, 53, 72 

 Hydrozoa, 53, 71 



classification of, 73 



nervous system of, 03, 65 



organs of taste in, 63 

 Hyla Pickeringii, 484 

 Hylobates, 633 

 Hylodes Martinicensis, 485 

 Hymenoptera, 379, 387 

 Hyocrinus, 103 

 Hyoganoidei, 431 

 Hyperia, 68, 311 

 Hyperoartia, 410 

 Hyperotetra, 410 

 Hypobytliius calycodes, 303 

 Hypodermis, 389 

 Hyracoidea, 509, 639 

 Hyrax, 599 



IcLA, 293 



Ichneumon fly, 381 



Ichthyopterygia, 511, 517 



Iclitliyornis, 538 



Ichthyosaur, 512 



Idotaea, nervous system o2, 306, 



310 

 Idyia roseola, 93 

 Iguana, 504 

 Iguanodon, 515 

 Individuality, 636 

 Ineducabilia, 583 

 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, 338 

 parthenogenesis in, 333 

 polymorphism in, 363 

 respiration of, 343 

 senses of, 346 

 useful, 354 



Instinct, nature of, 680 



Isopoda, 305 



Isurus punctatus, 420 



Ixodes albipictua, 359 

 bovis, 360 



jACcnus, 020 

 Jaws, 631 

 Jelly-fish, 63 

 Julus, 356 



Kakgakoo, 575, 577 

 Katydid, 676 

 Killer-whale, 595 

 King-bird, 553 

 King-crab, 317 

 Kinglet, 555 

 Kiwi-kiwi, 533 

 Kogia Floweri, 594 



LABYRINTniCI, 457 

 Labyrinthodou, 483, 483 

 Labyrinthodontia, 483 

 Lacertilia, 501,517 

 Lachuosterna fusca, 373 

 Lactophrys trigonus, 463 

 Lfelaps, 515 



Lagopus leucurus, 546, 547 

 Lamellibranchiata, 243 



classification of, 356 



