2 world maps, one showing distribution of rodents, the other showing distribution of ruminants; relief shown by hachures. At head of title: Zoological geography. Phytology & zoology no. 5. Includes illustrations of animals, "Perpendicular distribution of Rodentia & Ruminantia," and "Tabular view of the species number of the Rodentia & Ruminantia in the zoological provinces." In upper margin: Physical atlas. Plate 28. Plate 28 from: The physical atlas ... / by Alexander Keith Johnston ... London : W. Blackwood & Sons, 1848.