1-4 of 4 Books
A review of the Tertiary beavers
A review of the Tertiary beavers
By R. A. Stirton
A fossil beaver from the Kettleman Hills, California
A fossil beaver from the Kettleman Hills, California
By Louise Kellogg
Sigmogomphius le contei, a new castoroid rodent from the Pliocene, near Berkeley, Cal
Sigmogomphius le contei, a new castoroid rodent from the Pliocene, near Berkeley, Cal
By John C. Merriam
The giant beaver, Castoroides, and the common beaver, castor, in Nebraska
The giant beaver, Castoroides, and the common beaver, castor, in Nebraska
By Erwin Hinckley Barbour