548 



Index. 



Gtiruard, riymg, 390 



Grey, 390 

 Gustatory organs, 19 

 Gut, 23 



Gyimiomyxa, 87 

 GynmopMona, 407 

 Gymnosomata, 305 

 Gymnothorax mtu-sena, 388 

 Gymnotus, 368 



„ eleotricus, 388 



Gypaetus barbatus, 461 

 Gypogeranus seeretarius, 



460 

 Gyrfalcon, 466 

 Gyri, 480 

 Gyrinus, 264 



Haddock, 388 

 Hsematopus ostralegus, 459 

 Haemooyanm, 30 

 HEemoglobin, 29 

 Hsemopis Torax, 176 

 Hag-fish, 383 

 Hair, 467 



„ foUiole, 467 



„ papilla, 467 

 Hairs, contour, 467 



„ tactile, 467 



„ woolly, 467 

 HaKbnt, 389 

 HaUchoerus grypus, 519 

 Halicore dugong, 513 

 Halmaturus, 499 

 Halobatidffi, 259 

 Hamster, 530 

 Hapalidse, 533 

 Harderian gland, 336 

 Hare, 529 

 Harriers, 460 

 HarTest-men, 282 



„ Mouse, 530 

 Haversian canal, 329 

 Hawfinch, 462 

 Hawk, 460 



Fishing, 460 



„ Sparrow, 460 

 Hawk-moths, 275 

 Head, 41, 324 

 Head-tidney, 167, 350 

 Heai-t, 26 



„ Urchins, 138 

 Hectocotylised arm, 321 

 Hectocotylus, 321 

 Hedgehog, 499 

 Heliozoa, 91 

 Helix, 306 



„ hortensis, 306 



„ pomatia, 306 

 Hemerohai'pages, 460 

 Hemimetabola, 250 

 Hemimetabolous, 246 

 Hemiptera, 256 

 Heredity, 39 

 Hermaphrodite, 34 



„ gland, 35, 



299 

 Hermaphrodites, protan- 



drous, 35 



Hermaphrodites, protogy- 



nous, 35 

 Hermit Crab, 225 

 Herodii, 459 

 Heron, Common, 459 



„ Mght, 459 

 Herons, 459 



Hei'pestes ichneumon, 517 

 Herring, 387 



Heterodera sohaohtii, 163 

 Heterogony, 38, 146 

 Heteropoda, 302 

 Heteroptera, 259 

 HexactineUidse, 121 

 Hibernation, 69 

 Hibernating gland, 489 

 Hind gut, 23 

 Hipparion, 503 

 Hippobosca equina, 278 

 Hippoboscidse, 277 

 Hippocampus, 391 

 Hippoglossus vulgaris, 389 

 Hippopotamidse, 506 

 Hippopotamus, 506 



„ amphibius, 



506 

 Hirudo, 176 

 Hiruudo, 463 

 Hobby, 460 

 Holocephali, 384 

 Holometabola, 250 

 Holometabolous, 246 

 Holostei, 385 

 Holothuria, 141 

 Holothuroidea, 138 

 Homarus vulgaris, 224 

 Homodont teeth, 485 

 Homology, 57 

 Homoptera, 256 

 Homo sapiens, 536 

 Honey-bee, 271 



„ -dew, 257 



„ -comb-bag, 507 

 Hooded Seal, 520 

 Hoofs, 470 

 Hoopoe, 464 

 Hornets, 271 

 Horns, 471 

 Horny fibres, 120 

 Horse, 503 



„ Bot-fly, 277 



„ Leech, 176 



„ -shoe Bats, 501 



„ -tick, 278 

 Hosts, 63 

 House-fly, 277 



„ Mouse, 530 



„ Spider, 283 

 Howling Monkey, 533 

 Humerus, 328 

 Humming Birds, 464 

 Hump-back Whale, 523 

 Hunger, 73 

 Hyffina, 517 

 HyEenidee, 517 

 Hybrid, 36 

 Hybridisation, 386 

 Hydatina senta, 157 



Hydra, 106 

 Hydrachna, 284 

 Hydrochoerus oapybara, 



531 

 Hydrocores, 260 

 Hydrocysts, 107 

 Hydroid, 103 

 Hydromedusae, 103 

 Hydrometra, 257 

 Hydrometridae, 259 

 HydrophyUia, 108 

 Hydrophis, 424 

 Hydrosoma, 107 

 Hydrozoa, 102 

 Hyla arborea, 406 

 Hylesinus piniperda, 267 

 Hylobates, 534 

 Hymen, 491 

 Hymenoptera, 252, 267 

 Hyoid, 327 

 HyperidEe, 219 

 Hyperoodon rostratus, 525 

 Hypoblast, 43 

 Hypoderma bovis, 277 

 Hypopharynx, 234 

 Hypophysis, 331 

 Hypsiprymnus, 499 

 Hyrax, 500 

 Hystrioomorpha, 530 

 Hystrix cristata, 530 



Ibis reUgiosa, 459 

 Ichneumon-flies, 269 

 Ichneumonidse, 269 

 Ichthyornis, 453 

 lehthyosaurians, 427 

 Icticyon, 516 

 Idothea, 215 



„ . triouspidata, 215 

 Iguanas, 422 



Ground, 422 

 Tree, 422 

 Iguanidffi, 422 

 Iguanodon, 430 

 lUum, 328 

 Imago, 249 

 Impennes, 457 

 Imperforate Ehizopoda, 88 

 Impressions, 77 

 Incisors, 483 

 Incus, 481 

 Inferior arches, 326 

 Infundibulum, 118, 331 

 Infusoria, 89, 91 

 Inhalent aperture, 308 



„ canal, 119 

 Ink-sao, 317 

 Inner germ-layer, 43 



„ root-sheath, 467 

 Insecta, 231 

 Insectivora, 499 

 IntegripaUiate, 310 

 Interambulacral plates, 134 

 Interdigital glands, 469 

 Interfilamentar junctions, 



307 

 Intermedium, 328 

 Internal ligament, 310 



