An Elementary Treatise on Human Anatomy

Cretaceous Reptiles of the United States

On entophyta in living animals: New species of entozoa. - On glandulae odoriferae. (Extract. from the proceed. of the Acad. of nat. Sci. of Philadelphia, Oct. 1849.)

Contributions Towards a Knowledge of the Marine Invertebrate Fauna of the Coasts of Rhode Island and New Jersey

A Flora and Fauna Within Living Animals

Memoir on the Extinct Species of American Ox

Fossil Vertebrates from the Alachua Clays of Florida

On the Intimate Structure and History of the Articular Cartilages

Contributions to Helminthology: Notes on the development of the gordius aquaticus. - Two new species of Infusorial Entozoa. - Description of some Nematoid Entozoa infesting Insects. (Proc. Acad. Nat. Sci. Philad. Vol. V. 1850)

A Memoir on the Extinct Sloth Tribe of North America

Special Anatomy of the Gasteropoda of the United States

Parasites of the Termites

Researches in Helminthology and Parasitology: By Joseph Leidy ; with a Bibliography of His Contributions to Science, Arranged and Edited by Joseph Leidy, Jr

“The” Ancient Fauna of Nebraska, Or, A Description of Remains of Extinct Mammalia and Chelonia: From the Mauvaises Terres of Nebraska

Description of some remains of fishes, from the carboniferous and Devonian formations of the United States. [Extracted from the Journal of the Academy of Sciences of Philadelphia.]

Contributions to the Extinct Vertebrate Fauna of the Western Territories: Volume 1

An Elementary Treatise on Human Anatomy

Report to the Councils of Philadelphia on Some of the Insects Injurious to Our Shade Trees

Notice of Remains of the Walrus Discovered on the Coast of the United States: Description of Remains of Fishes ... Remarks on Saurocephalus and Its Allies. Observations on the Extinct Peccary of North America. Remarks on the Structure of the Feet of Megalonyx

Description of the Remains of Extinct Mammalia and Chelonia from Nebraska Territory: Collected During the Geological Survey Under the Direction of Dr. D. D. Owen