856 On the Extinct Cats of America. [ December, 
of the skull of this individual, one-third of the natural size, are 
represented in figures 13 and 14. 
Fic. 14.—Smilodon necator, one-third natural size. Inferior view of skull Fig. 12- 
This specimen is the one on which the late Prof. Gervais based 
his determination of the species (Comptes Rendus, 1878, J une), 
but which he had not described at the time of his death. The 
species is about the size of the lion, and of the most formidable 
character. 
A fragment of a maxillary bone containing a sectorial tooth 
found in Texas was referred to an extinct cat, by Prof. Leidy, under 
