A Memoir on the extinct sloth tribe of North America
By: by Joseph Leidy.
Series: Smithsonian contributions to knowledge -- v. 7, art. 5; Smithsonian Institution Publication -- 72; Publication (Smithsonian Institution) -- 72.
Publisher: Smithsonian Institution
Published: 1978
Place of publication: Washington
Language: eng
Format: Microform
Number of pages: 68
Subjects: Sloths.; Mammals, Fossil.; Paleontology.
Notes: Microfiche. Washington, D.C., Brookhaven Press, 1978. on no. 4-5 of 5 microfiches ; 11 x 15 cm.