460 FELIS. VIVERRID^E. 



Geogr Distr. Arizona and northern Mexico. (State of Chihuahua.) 



Genl. Char. Similar to F. rufa, but paler; cranium inflated. 



Color. Variable; above from grizzled pale brown and gray 

 (Arizona specimens), to grizzled black and gray (Chihuahua, Mexico, 

 specimens); sides buff or whitish buff; under parts white, spotted 

 with black; top of head mixed brown and white, with an indistinct 

 narrow central brown stripe, and one on each side near ears; thighs 

 pale buff on outer side; legs mixed brown and white above, spotted 

 with black; beneath white, spotted with black; feet pale brown; tail 

 basal three-fourths pale brown, uniform, or barred with rufous, with 

 two narrow subterminal half -rings and tip black, beneath white; ears 

 with anterior border and central outer portion white, remainder 

 black, tufts black. The Mexican specimens are darker and more 

 richly colored than Arizona examples; and the brown stripes on the 

 head are wanting in the latter. 



Measurements. Total length, 780; tail vertebrae, 130; hind foot, 

 170. Skull: occipito-nasal length, 112; Hensel, 91; zygomatic 

 breadth, 77; interorbital constriction, 37; posterior margin of palate 

 to alveolus of incisors, 41 ; pterygoid fossa from tip of hamular process 

 to palatal arch, 18.5; length of upper sectorial, 13; length of lower 

 jaw, 67; height at coronoid process, 31. 



463. peninsularis (Fells'), Thomas, Ann. Mag. Nat. Hist., 7th Ser., 



i, 1898, p. 42. 

 LOWER CALIFORNIA LYNX. 



Type locality. Santa Anita, Lower California, Mexico. 



Geogr. Distr. Cape Region of Lower California, Mexico. 



Genl. Char. Size very small; braincase small, narrow. 



Color. Above pale rufous and gray; long hairs black-tipped; 

 under parts white with black spots; markings of head, face, and ears 

 as in usual style of California lynxes. 



Measurements. Total length, 761; tail, 154; hind foot, 160; ear, 

 81. Skull: basilar length, 91.6; greatest breadth, 76.5. 



Fam. II. Viverridse. Mungoose, Civets, etc. 



Upper carnassial generally without an anterior lobe; lower with 

 developed talon; second lower incisor on each side higher than first 

 and third; auditory bulla externally constricted, internally divided 

 by a septum, conspicuous from the meatus; digits usually five on 

 each foot, but sometimes the pollex or hallux, or both, are lacking; 

 claws vary in retractility according to types, some species being 

 digitigrade, others somewhat plantigrade. 



