ii. 217

_Auchenipterus_, ii. 443

Auckland Islands, birds of, i. 455

_Augastes_, ii. 108

_Auks_, ii. 367

_Aulia_, ii. 102

_Aulacodes_, ii. 239

_Aulacodon_, ii. 239

_Aulacorhamphus_, ii. 307

_Aulopoma_, ii. 520

_Aulopyge_, ii. 452

_Auricula_, ii. 519, 527

AURICULIDÆ, ii. 518

_Auriparus_, ii. 266

Australia, physical features of, i. 387

Australia and S. America, supposed land connection between, i. 398

Australian region, description of, i. 387 zoological characteristics of, i. 390 mammalia of, i. 390 birds of, i. 391 reptiles of, i. 396 amphibia of, i. 397 fresh-water fish of, i. 397 summary of vertebrata of, i. 397 supposed land-connection of with S. America, i. 398 insects of, i. 403 lepidoptera of, i. 404 coleoptera of, i. 405 land-shells of, i. 407 sub-regions of, i. 408 early history of, i. 465

Australian sub-region, mammalia of, i. 438 illustration of mammalia of, i. 439 birds of, i. 440 illustration of fauna of, i. 441

Australian hedgehog, ii. 254

Austro-Malayan sub-region, physical features of, i. 388 zoology of, i. 409

_Automolus_, ii. 103

AVICULIDÆ, ii. 533

_Avocettula_, ii. 107

_Avocettinus_, ii. 108

Aye-aye, figure of, i. 278