Brehm's Life of Animals —— A Complete Natural History for Popular Home Instruction and for the Use of Schools

----- 布雷姆的动物生活

ISBN: 9781330287408 出版年：2016 页码：636 Alfred Edmund Brehm Forgotten Books

Since Lamarck in 1797 suggested the division of the Animal Kingdom into the two sub — kingdoms of animals with and without backbones, this division has been generally accepted. In the subdivision of the Vertebrates there are usually recognized five classes: the Mammals the Birds (aves); the Reptiles (rt the Amphibious Animals, like the Frog, Newt, etc. And the Fishes (pisces).