INDEX. 



695 



Laornis, 534. 



Laridce, 504. 



Lark, 525. 



Larva, of Echinodermata, 156. 157 ; of 

 Echinoidea, 157 ; of Asteroidea, 164, 

 167 ; of Ophiuroidea, 169 ; of Urinoidea, 

 171, 175 ; of Holothuro dea, 178 ; of 

 Taniada, 186, 188, 189 ; of Trematoda, 

 190 ; of Nemertida, 192 ; of Acantho- 

 cephala, 194; of Ichthvophthira, 22 S ; 

 of JKhizocephala, ib. ; of Cirripedia, 229 ; 

 of Limulus, 241 ; of Macrura, 246 ; of 

 Srachyura, 25 1 ; of Myriapoda, 265 ; of 

 Insecta, 274 ; of Tunicata, 310 ; of Brach- 

 iopoda, 315 ; of LameUibranchiata, 325 ; 

 of Gasteropoda, 332 ; of Amphibians, 

 431, 432, 440. 



Leech, 207, 208, 209. 



Lemur idiv, 632. 



Leopard, 616. 



Lepadidip, 226, 229 ; characters of, 232 ; 

 distribution of, in time, 253. 



Lepas, 230. 



Lepidoganoidei, 415, 428. 



Lepidopleurid(f, 415. 



Lepidoptera, 275 ; mouth of, 271 ; char- 

 acters of, 285. 



Lepidosiren, 397, 398, 403 ;' characters of, 

 425. 426. 



Lepidosteus, 387, 413, 415. 



Lepidota, 435 (sea Dipnoi}. 



Lepisma, 278. 



Leporidce, 618. 



Leptana, 317. 



Leptidce, 260. 



Leptocardia, 400 (see rharyngobran- 

 chii). 



Lepus, 618. 



Lerncea, 37,^227. 



Libellulidce, 281. 



Lieberkuhnia, 58. 



ijflrict, 245. 



Ligula, 270. 



Limacidce, 341. 



Limacina, 333, 343. 



LimacinidcK, 343. 



Limax, 338, 341. 



Limicola', 209. 



Limnadia, 237. 



Limncea, 341. 



Limnceidce, 339, 341. 



Limnoria, 245. 



Limosa, 511. 



Limulus, 240, 241, 253. 



Lingua (Insects), 271. 



Lingual Ribbon (Mollusca), 330. 



Linguatulina, 25y. 



Lingula, 313, 316, 317. 



Lingulidce, 315, 317. 



Lion, 605, 615, 648. 



Lissenct-phala, 550. 



Lithobius, 266. 



Lithocysts, 114, 119. 



Lithodomi, 326. 



Lithornis, 535. 



Littorina, 335, 340. 



Littorinidce, 33P, 3iO. 



Lituites, 356, 358. 



Lituolida, 63. 



Liver-fluke, 190. 



Lizards, 438, 460, 461. 

 Llama, 591, 592. 



Lobster, morphology of, :2-?, e< seg. ; gene- 

 ral anatomy of, 246, ei se^. 



Lob-worm, 215. 



Loculi, of shell of Foramiw'fera, 58 ; of 

 Corals, 131. 



Locustina, 280. 



Loligo, 3o7. 



Longipennatce, 504. 



Longirostres, 610. 



Lonsdaleia, 136. 



Lophiidce, 411. 



Lophius, 407. 



Lophobranchii, 412. 



Lophopea, 306. 



Lophopore, 303, 306. 



Lophopus, 302, 303. 



-Lophortyx, 516. 



Lophyropoda, 226, 234. 



Loricate, 44ti. 



2/oris, 632. 



Loriut, .'21. 



Love-bird, 520, 521. 



Loxiadd', 555. 



Lucernaria, 114, 115. 



Lucernariadce, 11 4. 



Lucernarida, 31, 90 ; general characters 

 of, 114 ; umbrella of, id., 118 ; divisions 

 of, 114; development of, 116 ; structure 

 of reproductive zooids of, 119. 



Lucina, 328. 



Lucimdce, 327, 328. 



Z,id<a, 165, 182. 



Lumbritidce, 209. 



Lumbricus, 209. 



Lutraria, 328. 

 Lycaon, 613. 

 Lyencephala, 550. 

 Lynx, bit}. 



MACACUS, 635. 



Macaw, 621. 



Macellodon, 467. 



Machairodus, 647. 



Machetes, 511. 



Madurea, 341, 359. 



Macrauchenia, 649. 



Macrobiotidce, 259. 



Macrodactyli, 5(8. 



Macropodidoe, 559. 



Macropus, 557. 



Maa-oscelides, 628. 



Macrospondylus, 471. 



Macrotherium, 644. 



Macrura, 246 ; characters of, <'&. ei s^. 



Mactra, 328. 



Mactridce, 327, 328. 



Madreporidoe, 152. 



Madreporiform tubercle, of Echlnoder- 

 mata, 156 ; of Ecltinoidea, 159 ; of ^s- 

 teroidea, 165 ; of Ophiuroidea, 169 ; of 

 Holothuroidea, 178. 



Malacodermata (Zoantharia], 127, 151. 



Malacopteri, 407. 



Malacopterygii, 400, 406. 



Malacostraca, 242. 



Malapterurus, 409. 



Mallophaga, 278. 



Malpighian tubes, of Insects, 257, 272. 



Mammalia, 376, 383 ; general characters 

 of, 537 ; osteology of, 538, 545 ; teeth of, 

 i&. eseq.; digestive system of, 547 ; cir- 



