XIX.—On cephalization, and on Megasthenes and microsthenes in classification (being in continuation of an article on the higher subdivisions in the classification of mammals)

James D Dana

Published in Annals And Magazine of Natural History, in 1863, in volume 12, pages 187-198

Date published:1863

DOI: 10.1080/00222936308681506
BHL: 27659910
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