ii. 206

_Lalage_, ii. 269

_Laletes_, ii. 280

LAMIIDÆ, ii. 498

_Lamna_, ii. 460

LAMNIDÆ, ii. 460

_Lampornis_, ii. 107

Lampreys, ii. 463

_Lamprima_, ii. 493

_Lampris_, ii. 429

_Lamprocolius_, ii. 288

_Lamprolæma_, ii. 107

_Lamrophis_, ii. 380

_Lampropsar_, ii. 282

_Lampropygia_, ii. 108

_Lamprospilus_, ii. 477

_Lamprospiza_, ii. 99

_Lamprotes_, ii. 98

Lancelet, ii. 464

Land-lizards, ii. 391

Land and water, proportions of, i. 35

Land and fresh-water shells, antiquity of the genera of, i. 168

Land-shells, Palæozoic, i. 169 Palæarctic, 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

LANIIDÆ, ii. 272

_Lanio_, ii. 99

_Lanius_, European Miocene, i. 161