CHAPTER III.
DISTRIBUTION AS AFFECTED BY THE CONDITIONS AND CHANGES OF THE EARTH'S SURFACE.
Land and Water (p. 35)--Continental Areas (p. 36)--Recent Changes in the Continental Areas (p. 38)--The Glacial Epoch as affecting the Distribution of Animals (p. 40)--Changes of Vegetation as affecting the Distribution of Animals (p. 43)--Organic Changes as affecting Distribution (p. 44) 35-49