Mammals Part 3 - 20160731 frey50; Robert B. Clarke editor (Grolier Educational Corporation usa, 1972)
Includes bibliographical references and index
Keywords: The ungulates -- hoofed mammals; perissodactyls and artiodactyls -- the proboscideans; The hyraxes -- the sirenia; the perissodactyls -- Modern Perissodactyls; Domestic horses -- The artiodactyls; Living Artiodactyls; Mammals