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