Ecology

Dragons of the Air: An Account of Extinct Flying Reptiles

The Cubomedusæ

Auroræ: Their Characters and Spectra

The Evolutionist at Large

Dinosaurs, with Special Reference to the American Museum Collections

Coral and Coral Reefs

The Conditions of Existence as Affecting the Perpetuation of Living Beings

A Pictorial Atlas of Fossil Remains

Animal Parasites and Messmates

The Factors of Organic Evolution

Through Magic Glasses and Other Lectures

Facts and Arguments for Darwin

The Palace and Park

Narrative of the Voyage of H.M.S. Rattlesnake, 1846–50, Volume 1

North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus

The Ivory King

The Pleistocene of North America and its vertebrated animals

North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus

Researches on the Visual Organs of the Trilobites

Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time