Characters of Protoceras (Marsh), the new Artiodactyl from the Lower Miocene
By: by Henry Fairfield Osborn and J.L. Wortman
Publisher: American Museum of Natural History
Published: 1892
Place of publication: New York
Language: eng
Number of pages: 371
Subjects: Protoceras celer; Paleontology
Other titles: Genus Protoceras
Notes: "Author's edition, extracted from Bulletin of the American Museum of Natural History, vol. IV, no. 1, article XVIII ... New York, December, 30, 1892."

Includes bibliographical references.