Index. 



549 



Internal mouth. 111 



sheU, 305, 319 

 Interparietal, 476 

 Interradil, 123 

 Interspinoua processes, 



362 

 Intestinal Trichina, 162 

 Intestine, 23 

 Inuns ecaudatus, 534 

 Invagination, 43 

 Iris, 333 

 .Irish Deer, 509 

 Irregular Sea-urchins, 138 

 Irritability, 4 

 Ischium, 328 

 Isis, 115 



Isopoda, 210, 213 

 Itch-mites, 285 

 lulus, 230 

 Ixodes, 284 

 lynx torquilla, 466 



Jackal, 517 

 Jackdaw, 463 

 Jacobson's organ, 333 

 Jaguar, 517 

 Jaws, 176, 205 

 Jays, 463 

 JeUy-fish, 111 

 „ veil, 90 

 Jerboa, 530 

 Jigger, 278 

 Joint, 329 

 Jugal, 394, 412 

 Jumping Shrews, 500 



Kaguan, 500 

 Kangaroos, 498 

 Kermese-insect, 259 

 Kestrel, 460 

 Kidneys, 31 

 KiUer, 524 

 King-crab, 196 



„ -fisher, 465 

 Kite, 461 

 Kiwi, 454 

 Knee-cap, 330 

 Koala, 498 

 Kulan, 503 



Labial cartilages, 364 

 „ palps, 233, 306 



Labium, 233 



Labridffi, 389 



Labrum, 232 



Lacerta, 422 



„ agilis, 422 

 „ vivipara, 422 



Laeertilia, 421 



Lachrymal bone, 439 

 gland, 336 

 pits, 469 



Lacinia, 233 



Ladybirds, 267 



Lagomys, 529 



Lagopus, 455 



„ mutvis, 455 

 „ scoticus, 455 



LameUibranchs, 306 

 Lamellicornia, 265 

 Lamellirostres, 458 

 Lamina perpendioularis, 



476 

 Lampreys, 382 

 Lampyris, 266 

 Lancelets, 354 

 Land-bug, 259 



„ -leech, 176 

 LaniadsB, 462 

 Lanius excubitor, 462 

 Large Bats, 501 

 Larks, 464 

 Larus, 456 



„ argentus, 456 



„ atricilla, 456 



„ canis, 456 



„ ridibundxis, 456 

 Larva, 247 

 Larvae, 50 

 Larynx, 344 

 LateraJia, 204 

 Lateral-hne organs, 369 

 Leaf-beetles, 266 

 „ -insects, 253 

 „ -roUers, 274 

 Leoanium iliois, 259 

 Leeches, 175 

 Lemnisci, 163 

 Lemming, 530 

 Lemurs, 531, 532 

 Lens, 20, 333 

 Leopard, 517 

 Lepadidffi, 206 

 Lepas, 206 



Lepidoptera, 252, 272 

 Lepidosiren paradoxa, 367, 



387 

 Lepidosteus, 375, 378, 385 

 Lepisma saocharina, 255 

 Leporidse, 529 

 Leptoeardii, 354 

 Leptoptilus, 459 

 Lepus, 529 



cuniculus, 529 

 europaeus, 529 

 timidus, 529 

 variabilis, 529 

 Lernea branch ialis, 203 

 Lesser Pin-whale, 523 



„ Shrew, 500 

 Lestris, 456 

 Leuciscus, 388 

 Leucochloridium para- 



doxum, 148 

 LibeUula, 255 

 Libellulidee, 254 

 Lice, 160 



Ligament, 310, 329 

 Ligula simplicissima, 151 

 Limacina helicina, 305 

 Limapontia, 304 

 Limax agrestis, 806 

 Limbs, 42 

 Limnadia, 195 

 Limnaeus, 306 

 Limnoria terebrans, 215 



Limosa, 460 

 Limpets, 302 

 Limulus, 196 

 Linens longisaimus, 156 

 Lingual ribbon, 287 

 Lingula, 183 

 Linnet, 463 



„ Common, 463 



„ Mountain, 463 

 Lion, 517 

 Lip, 486 

 Lithobius, 230 

 Lithodomus Kthophagus, 



314 

 Lithophrya, 206 

 Little Ant-eater, 526 

 Littoral fauna, 38 

 Littorina, 302 

 Liver, 24 

 Liver-flute, 147 

 Lizards, 422 



„ Common, 422 

 Flying, 422 

 Eiaged, 422 



„ Sand, 422 

 Llamas, 508 

 Loach, 388 

 Lobster, 224 

 Locomotion, 65 

 Locomotor organs, 63 

 Locusta, 253 



„ viridissima, 253 

 Locusts, 253 

 Loligo vulgaris, 323 

 Longicorns, 266 

 Longipennes, 456, 463 

 Longitudinal arose, 158 

 Long-tailed Keld Mouse, 



530 

 Loopers, 276 

 Lophius piscatorius, 391 

 Lophogastridse, 211 

 Lophophore, 178 

 Lorica, 156 

 Lories, 465 

 Loris, 532 

 Lota vulgaris, 388 

 Lucanus eervus, 265 

 Lugworm, 173 

 Lumbar plexus, 332 



„ vertebrte, 326 

 Lumbrious, 173 

 Lump-fish, 390 

 Lunar, 478 

 Lung-sacs, 282 

 Luscinea philomela, 462 

 „ rubecola, 462 

 Lutra, 516 



„ vulgaris, 516 

 Lymphatic system, 347 

 Lymph foUicles, 348 



„ glands, 26 



„ hearts, 348 

 Lynx, 517 



„ vulgaris, 517 

 Ljrre Birds, 464 

 Lyssa, 487 

 Lytta vesicatoria, 266 



