Paleontology

Introduction to the Study of Palæontological Botany

The Rise and Progress of Palaeontology

Geology and Inhabitants of the Ancient World

Eurypterids of the Devonian Holland Quarry Shale of Ohio

Extinct Monsters

Some Salient Points in the Science of the Earth

The Ivory King

North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus

The Chain of Life in Geological Time

Pennsylvanian invertebrates of the Mazon Creek Area, Illinois: Eurypterida

The Coal Measures Amphibia of North America

Dinosaurs, with Special Reference to the American Museum Collections

Essay on the Theory of the Earth

A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas

The Pleistocene of North America and its vertebrated animals

Palæontological Report of the Princeton Scientific Expedition of 1877

Animals of the Past

Australasian Fossils: A Students' Manual of Palaeontology