Rocky mountain sub-region, ii. [129]
mammalia of, ii. [129]
birds of, ii. [130]
reptiles, amphibia, and fishes of, ii. [130]
Rodentia, classification of, i. 90
range of Palæarctic genera of, i. 242
range of Ethiopian genera of, i. 304
range of Oriental genera of, i. 374
range of Australian genera of, i. 476
Rodentia, European Pliocene, i. 113