Theory of Evolution

A History of Land Mammals in the Western Hemisphere

Some Memories of a Palaeontologist

Theory of Evolution

Cervalces Americanus, a Fossil Moose, or Elk, from the Quaternary of New Jersey

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in Charge

Edentata

A History of Land Mammals in the Western Hemisphere; Illustrated With 32 Plates and More Than 100 Drawings

Mammalia of the Duchesne River Oligocene

An Introduction to Geology

History of Land Mammals in the Western Hemisphere