530 INDEX 



Koala, 367. 

 Kowalewsky, 510. 



Labial palps, of insects, 193; of Lamelli- 



branchia, 245. 

 Labidura riparta, 202. 

 Labrador duck, 344. 

 Labrum, of Apus, 150; of insects, 193. 

 Labyrinthodonta, 425. 

 Lacerta vlridis, 312. 

 Lacertilia, 312, 426, 451, 453. 

 Lace-winged flies, 210. 

 Lachrymal, of fowl, 331. 

 Lactation, of opossum, 366. 

 Lacustrine fauna, 451. 

 Ladybirds, 220. 

 Ladybugs, 220. 



ena, 26. 

 'inorpha, 391. 

 Lamarck, 459, 477, 504. 

 Lamarckian theory, 459, 469. 

 Lamellibranchia, 242, 451. 

 Lamina, of frog's vertebra, 300. 

 Lamna comubica, 278. 

 Lamprey eels, 271. 

 Lamp shells, 132. 

 Lancelet, 267. 

 Land-locked salmon, 291. 

 Land snails, 240. 

 Larks, 355. 

 Larvae, 447. 



Larvae, fresh-water, 451. 

 Larynx, of Mammalia, 361. 

 Lateral line, 275 ; of Holocephali, 281 ; of 



Salmo, 291. 

 I.atreilhr, 171. 

 Laurentian period, 13,443. 

 Leaf hoppers, 209. 

 Leaf insect, 464, 465. 

 Leaf rollers, 214. 

 Leather back turtle, 323. 

 Leeches, 144. 

 Leeuwenhoek, 498. 

 Leibnitz, 499. 

 Lemmings, 389. 

 1 ,emnisci, 124. 

 Lemur catta, 407. 

 1 .emuroidea, 406, 435. 

 Lemurs, 406, 453, 454. 

 Leopard, 403. 

 Lepas anatifera, 157. 

 Lepidoptera, 212, 226, 227,424. 

 Lepidosiren paradoxa, 298, 454. 

 Lepidosteus ossein, 285; L. platystomus, 284. 

 Lepisma, 197. 

 Leptalis orise, 466, 467. 

 Leptocardii, 267. 

 Leptodiscus medusoides, 43. 

 Leptostraca, 160. 



Lepus cttni cuius, 392 ; L. sylvaticus, 391, 392 ; 



L. timidus, 392. 

 Lerncea, 155. 

 Lesser civet cat, 402. 

 Lesteira, 155. 

 Leuciscus rutilus, 286. 

 Lice, 202, 205, 215, 227. 

 Lichnaspis giltochii, 31. 

 Life, definition of, 3. 

 Limax, 241. 

 Limestone beds, 423. 

 Limicolae, 350. 

 Limnma stagnalis, 240. 

 Livuietis, 151. 

 Limpets, 231, 232, 234, 240. 

 Limpet, larva? of, 232. 

 Lunulas, larva of, 174. 

 Limulus polyphemus, 173, 424. 

 Lingual ribbon, 231. 

 Linguatulida, 185. 

 Lingula, 134, 421, 422. 

 Linnaeus, 9, 458, 499, 501. 

 Lion, 403. 

 Liriope, 68. 



Lithocyst, in medusa, 63. 

 Lithodes agassizii, 450. 

 Lithodomus dactyius, 248. 

 Littoral fauna, 447. 

 Littoral fishes, 289. 

 Littorina littorea, 236. 

 Liver, of Amphioxus, 269; of Mammalia, 



360 ; of pigeon, 333. 

 Liver lluke, 109. 

 Living matter, chemical composition 



properties of, 3. 

 Lizards, 312, 454. 

 Llama, 382, 455. 

 Locust, 202, 204. 

 Locust a, 205. 

 Loligo vulgaris, 256. 

 Long-horned beetles, 220. 

 Loons, 350. 



Lopkius piscatorius, 296, 297. 

 Lophophore, 128 ; of Brachiopoda, 133. 

 Lorica, 126; of Choanoflagellata, 42. 

 Lories, 348. 

 Love birds, 348. 

 Loven's lava, 138. 



Lumbar vertebrae, of Mammalia, 357. 

 Lumbricus terrestris, 140. 

 Lung, of pigeon, 333 ; of Pulmonata, 239. 

 Lung book, 176. 

 Lungfishes, 297, 454. 

 Lunule, 244. 

 Lyell, 506. 



Lymphatic gland, of roach, 286. 

 Lymphatic system, of Mammalia, 361. 

 Lymph sinus, of frog, 301; of lamprey, 



273- 





