On the Permian Formation of Texas

Bibliography of North American Invertebrate Paleontology: Being a Report Upon the Publications that Have Hitherto Been Made Upon the Invertebrate Paleontology of North America, Including the West Indies and Greenland, Volume 2

On the Geology and Physiography of a Portion of Northwestern Colorado and Adjacent Parts of Utah and Wyoming

Certain Phases in the Geological History of the North American Continent, Biologically Considered

The Application of Biology to Geological History ...

Contributions to the Paleontology of Brazil: Comprising Descriptions of Cretaceous Invertebrate Fossils, Mainly Form the Provinces of Sergipe, Pernambuco, Para and Bahia

Report on the Paleontological Field-work for 1877 for the Season of 1877

On Mesozoic Fossils

Invertebrate Paleontology of the Plateau Province: Together with Notice of a Few Species from Localities Beyond Its Limits in Colorado

The North American Mesozoic

On the Relation of the Laramie Molluscan Fauna to that of the Succeeding Fresh-water Eocene, and Other Groups

The Texan Permian and Its Mesozoic Types of Fossils

On Certain Mesozoic Fossils from the Islands of St. Paul's and St. Peter's, in the Straits of Magellan

The Bear River Formation and Its Characteristic Fauna

Report on the Carboniferous Invertebrate Fossils of New Mexico

The Texan Permian and Its Mesozoic Types of Fossils

On New Cretaceous Fossils from California

On Invertebrate Fossils from the Pacific Coast

On the Mesozoic and Cenozoic Paleontology of California: Issues 15-23

A Review of the Non-marine Fossil Mollusca of North America