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 vertebrz, 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, L890, De 4:2: 
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. Viverridz. 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. 
