262 DR. J. E. GRAY ON THE SKULLS OF THE FELIDyE. [Mar. 11, 



A. Diurnal Cats. — The eyes diurnal, ivith a round pufil. The 

 orbits of the skull moderate-sized, compared with the size of the 

 skull ; face (f the skull elongate, hiyh, broad, ^flattened above. 



* Forehead of skull suddenly elevated above the line of the face. 



1. Uncia. 



Skull broad ; face broad, short, flat above ; forehead suddenly 

 raised ; crown convex in front and on the sides, concave behind ; 

 nasal bones broad, short, not reaching so far back as the upper edge 

 of the maxillse ; upper processes of the intermaxillse rather elongate, 

 extending about one-third up the sides of the nasals ; orbits mode- 

 rate, incomplete behind ; canines conical, moderate ; zygomatic arch 

 very strong and high. 



This genus is at once known from the Lion, Tiger, Leopard, and 

 Tortoise-shell Tiger by the shortness and breadth of the face, and 

 the sudden elevation of the forehead. " Pupil round." — Hodgson. 



Uncia irbis. (Fig. 1.) 



Fells uncia, Schreb. 

 F. pardus, Pallas. 

 F. pant her a, Erxl. 

 F. irbis, Ehr. 

 F. tulliana, A'^alenc. 

 F. uncioides, Hodgson. 

 Hab. Tibet (? Smyrna, Val.). 



Skull imperfect behind, nearly to the occiput. Length 64 inches, 

 width A\ inches. 



Fis. 1. 



Uncia ir/ns. 



