1880. | On the Extinct Cats of America. 855 
tough hides and muscles of the large Edentata, which were doubt- 
less their food. There are known two species of large size from 
Mus. Cope, 
Original. 
FIG. 13.—Smilodon necator Gervais, one-third natural size. 
the Pliocene of South America, and probably two species from 
orth America. A figure of the skeleton of the S. necator 
Gervais accompanies this paper. It is’ a copy of a lithograph 
taken by Prof. Burmeister from a specimen in the Museum of 
Buenos Ayres. The second known skeleton, found by M. Lar- 
roque near to the village Areco, a few miles west of Buenos 
Ayres, is in possession of the writer. Lateral and inferior views 
