Clarias, ii. [441]
Clarotes, ii. [442]
Classification as affecting the study of distribution, i. 83
Claudius, ii. [408]
Clausilia, Eocene, i. 169
ii. [514]
Clerome, ii. [472]
Clibanornis, ii. [103]
Climacteris, ii. [265]
Climate, as a limit to the range of mammalia, i. 11