3fe<.inis Tiro New Cats of the Eyra Group. 151 



st ricted laterally; sagittal and occipital crests moderately developed; 

 dentition heavy, as compared with Felu apache. 



Comparison <uid cranial measurements. Elliot's account of the cranial 

 characters of Felix eyra Fischer,* based on specimen No. 122(5, British 

 Museum .Collection (locality not given), contains, besides nonessentials, 

 the following: "nasals are broad, and on a line with the processes of the 

 maxillas at their articulation with the frontal bone. * * * Auditory 

 bullet 1 prominent, oblong: mastoid foramen of a triangular shape. Zy 

 goma well arched. Canines moderate." No cranial measurements are 

 given. The skull of the type and only specimen of Felix foxxata differs 

 from the above in having the nasals bones narrow, audital bullte pointed, 

 mastoid foramen oval, zygoma slightly arched, canines large. The 

 skull of Felix (ifHic/ie is readily distinguished from that of F.foxxata by 

 the absence of a frontal fossa, the marked lateral constriction of the au 

 dital bullu 1 , the narrowness of the posterior narial fossa, and the small 

 size of the teeth. It is also noted that the infraorbital foramina are 

 double. The two species are of similar size. The following dimensions 

 of the type skull of Feli*fo8#ftt<t are followed by those of the type of F. 

 apache, in parenthesis: basilar length of Hensel, 78 mm. (70); zygomatic 

 breadth, (JO (00); least interorbital breadth, 10 (19); intertemporal 

 breadth, HO (82); breadth of braincase above auditory meatus, 42 (41); 

 palate, length from henselion to posterior edge, excluding median notch, 

 88.7 (82. 2); greatest diameter of orbit, 28 (2(5): greatest length of nasal 

 bone, 2)5 (20): breadth of nasal bones opposite end of nasal processes of 

 frontals, 7 (8.5); anterior narial orifice, 14 by 12 (12 by 11); breadth .of 

 jugal, 10 (7): audital bulla, 20 by 12 (18 by 10): breadth between outer 

 corners of carnassials, 87.2 (83); breadth of posterior narial fossa, 18 

 (12); front of upper canine to back of carnassial, 27.5 (25); length of 

 upper carnassial, 12.2 (11); length of lower carnassial, 9.4 (8.8). 



*Monograph of the Felid8P, 1888, p. 05. 



