The Cambridge Geographical Series originated in the late nineteenth century as a means of providing introductory guides to a broad variety of topics. In this volume, which was first published in 1896, the focus is on the factors leading towards the varied geographical distribution of mammals. The text is consummately researched, highly structured, and contains numerous illustrative figures. Written with the general reader in mind, it is also highly readable. This book will be of value to anyone with an interest in natural history and the history of science.