460 FELIS. VIVERRID&. 
Geogr. Distr. Arizonaand 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 vertebre, 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 (Felis), 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. Il. Viverridze. Mungoose, Civets, ete. 
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. 
