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The evolution of sex
Paleontology : Part II. Carboniferous and cretaceous
Essays and observations on natural history, anatomy, physiology, psychology, and geology
The Badland formations of the Black Hills region
Pleistocene studies: 1. A notable type Pleistocene section: The Farm Creek exposure near Peoria, Illinois, by Morris M. Leighton. 2. Pre-Illinoian ti…
Secrets of earth and sea
Memorial of Alexis Anastay Julien
Addresses commemorative of George Hammell Cook, PH.D., LL.D., professor of geology and agriculture in Rutgers College, delivered before the trustees,…
Chester ostracodes of Illinois
Types of late Cenozoic gastropods in the Frank Collins Baker Collection, Illinois State Geological Survey