[Sixty lithographic plates prepared under the direction of Professor Othniel C. Marsh, and reproduced in Monograph 55 of the United States Geological Survey, "The titanotheres of western North America" by Henry Fairfield Osborn].

Alternate Titles

• Brontotheridæ

Subjects

Other Editions

• [Sixty lithographic plates prepared under the direction of Professor Othniel C. Marsh, and reproduced in Monograph 55 of the United States Geological Survey, "The titanotheres of western North America" by Henry Fairfield Osborn].U.S. Geological Survey1890-01-01
• [Ninety lithographic plates prepared under the direction of Professor Othniel C. Marsh, to be reproduced in the Sauropoda monograph of the United States Geological Survey, "The Sauropoda of the world" by Henry Fairfield Osborn].U.S. Geological Survey1890-01-01