GENERAL INDEX. 
583 
Land-shells, Palaeozoic, i. 169 
Palana retie, i. 190 
of Madeira, i. 209 
of the Cape Verd Islands, i. 215 
of the Ethiopian region, i. 257 
of W. Africa, i. 265 
of Madagascar and the Mascarene Islands, 
i. 285 
of the Indo-Malay sub-region, i. 344 
of the Australian region, i. 407 
of the Sandwich Islands, i. 466 
of New Zealand, i. 459 
of the Neotropical region, ii. 19 
of the Antilles, ii. 75 
conditions favouring development of, ii. 75 
of N. America, ii. 124 
general observations on the distribution 
of, ii. 522 
richness of islands in, ii. 525 
their mode of diffusion, ii. 525, 528 
comparative distribution of Operculate 
and In-operculate, ii. 526 
estimated numbers of, ii. 526 
Land-snakes, ii. 382 
Langaha, ii. 379 
Laniarius, ii. 272 
Lanicterus, ii. 268 
Laniellus, ii. 272 
LANIIDJE, ii. 272 
Lanio, ii. 99 
Lanius, European Miocene, i. 161 
ii. 272 
Laopithecus, N. American Tertiary, i. 1S3 
Laornis, N. American Cretaceous, i. 164 
Laprissa, ii. 421 
LARlDdi, ii. 364 
Larimus, ii. 428 
Larks, ii. 289 
Larus, ii. 364 
Larvivora, ii. 259 
Lasiomys, ii. 229 
Lasiuromys, ii. 239 
Latax, ii. 199 
Lates, ii. 425 
Lathria, ii. 102 
Latonia, ii. 421 
Latrunculus, ii. 430 
Layardia, ii. 261 
Lea, Dr. Isaac, on N. American Unionidaj, ii,125 
Lebia, ii. 489 
Lebiasina, ii. 445 
Legatus, ii. 101 
Leiocephalus, ii. 401 
Leiolcsmus, ii. 401 
Lewies, ii. 282 
Leistus, ii. 489 
Leiuperus, ii. 420 
Leiyla, ii. 419 
Lemonias, ii. 476 
Lemur, ii. 176 
Lemur, fossil, ii. 178 
Lemuravidce, N. American Tertiary, i. 133 
Lemuravus, N. American Tertiary, i. 133 
Lemuria, a hypothetical land, i. 76 
Lemuridce, European Eocene, i. 124 
LEMURIOE, ii 176 
Lemuroidea, range of Ethiopian genera of, i. 
300 
range of Oriental genera of, 871 
LEMUROIDEA, ii. 176 
Lemurs, ii. 176 
Leonid, ii. 521 
Lepadogaster, ii. 436 
Lepictis, N. American Tertiary, i. 133 
Lepidocepalichthys, ii. 453 
Lepidocephalus, ii. 453 
Lepidogrammas, ii. 309 
Lepidolarynx, ii. 108 
Lepidoptera, cosmopolitan families of, i. 177 
table of Palsearctic families of, i. 238 
S. African, i. 268 
table of Ethiopian families of, i. 299 
of the Oriental region, i. 318 
table of Oriental families of, i. 369 
of the Australian region, i, 404 
table of Australian families of, i. 472 
of the Neotropical region, ii. 13 
of the Antilles, ii 73 
table of Neotropical families of, ii. 90 
of the Nearctie region, ii. 122 
Nearctic families of, ii. 143 
LEPIDOPTERA, ii. 470 
Lepido$iren t ii. 458 
LEPIDOSTEI DA2, ii. 459 
Lepidosteus, ii. 459 
LEPIDOSTERNIDiE, ii. 389 
Lepidosternon, ii. 389 
Lepilemur, ii, 176 
Lepistes, ii. 450 
LEPORIDjE, ii. 242 
Leporinus, ii. 445 
Lepricornis, ii. 476 
Leprodera, ii. 501 
Leptalis, ii. 478 
Leptarchus, N. American Tertiary, i. 135 
ii. 202 
Leptasthenura, ii. 103 
Leptauchenia, N. American Tertiary, i. 138 
Leptobarbina ii.*452 
Leptobrachium, ii. 421 
LEPTOCARDII, ii. 464 
Leptocera, ii. 502 
Leptochairus, N. American Tertiary i. 137 
ii. 215 
Leptocircus, ii. 479 
Leptodeira, ii. 379 
Leptodon, Miocene of Greece, i. 116 
ii. 214 
ii. 349 
Leptognathus, ii. 381 
Leptomantis, ii. 419 
Leptomeryx, N. American Tertiary, i. 138 
ii, 220 
Lepton, ii. 535 
Leptoneura, ii. 471 
Leptonyx, ii. 204 
Leptopogon, ii. 101 
Lepioma, ii. 520 
Leptoptila, ii. 333 
Leptoptilus, European Miocene i, 162 
ii. 361 
Leptorhytaon, ii. 380 
Leptornis, ii. 276 
LEPTOSOMIDJ2, ii. 310 
Leptosomus, allied form in European Eocene, 
i. 168 
ii. 310 
Leptosomus of Madagascar i. 278 
figure of, i. 279 
Leptotkerium, in Brazilian caves, i. 144 
ii. 226 
Leptotriccus, ii. 101 
Leptura , ii. 502 
Lepus, in Brazilian caves, i. 145 
S American Pliocene, i. 147 
Lerista, ii. 395 
Lerwa, ii. 339 
Lesbia, ii. 108 
Lestodon, S. American Pliocene, i. 147 
Leucippus, ii. 109 
Leuciscus, ii, 452 
Leucochroa, ii, 516 
