The systematic arrangement of the order Perissodactyla
Subtitle: with a note on the structure of the foot of the Toxodon
By: By E. D. Cope...
Published: 1881
Place of publication: Philadelphia
Language: eng
Number of pages: 403
Subjects: Fossil Perissodactyla
Notes: Cover title.

"Read before the American philosophical society, April 15, 1881."