422 LEPUS. 
34; of palatine foramen, 21; of upper molar series at crown, 22.5; 
length of lower jaw, 58; height at condyle, 4o. 
434. auduboni (Lepus), Baird, N. Am. Mamm., 1857, p. 608, pls. 
XIII, XLVI, fig. 2. Elliot, Syn. N. Am. Mamm., 1go1, p. 283. 
AupDUBON’s HARE. 
Type locality. San Francisco, California. 
Geogr. Distr. Lower California, Mexico, from Cape St. Lucas to 
vicinity of San Francisco, California. 
Genl. Char. Size smaller than that of L. 7. mallurus; ears longer 
than head; tail long. 
Color. Above pale yellowish brown mixed with black; sides 
paler, with little or no black; nape pale rufous; fore feet above pale 
yellowish and rusty; hind feet whitish, sides rusty; pectoral band 
pale yellowish brown; under parts white; ears dark brown, the hairs 
with pale yellowish tips, so that this hue predominates, grading into 
black or brownish black at tips; tail above hike back, beneath black. 
Measurements. Total length, 457; tail vertebre, 38; hind foot, 
89; ear from notch, 70. Skull: occipito-nasal length, 69; Hensel, 53; 
zygomatic width, 32; lateral length of nasals, 30; median length of 
nasals, 23; posterior width of nasals, 17; anterior width of nasals, 8; 
length of lower jaw to end of incisors, 35; height at condyle, 31. 
435. sanctidiegi (Lepus), Miller, Proc. Acad. Nat. Scien. Phil., 1899, 
p. 389. Elliot, Syn. N. Am. Mamm., 1gor, p. 283. 
SAN Dieco Hare. 
Type locality. Mexican boundary line, monument No. 258, shore 
of Pacific Ocean, San Diego County, California. 
Geogr. Distr. Northern Mexico to southwestern California. 
Genl. Char. Similar to L. audubonz, but paler. 
Color. Above grizzle of black and light cream buff; sides paler; 
rump whitish gray; nape ochraceous buff; tail dark brown above, 
white beneath; ears gray, lower half paler than crown of head, which 
is like the back; orbital ring whitish; chin and throat white, tinged 
with plumbeous; lower part of throat and chest cream buff; legs 
ochraceous buff; fore feet cream buff; hind feet white; white of belly 
reaching to wrists and back of hind feet. 
Measurements. Total length, 385; tail vertebre, 63; hind foot, 
85; ear from crown, 78. Skull: greatest length, 69; basal length, 56; 
posterior margin of palate to tip of hamular process, 16.4; zygomatic 
breadth, 33; interorbital constriction, 19; length of nasals, 29; great- 
est width of nasals, 13.6; length of upper molar series, 12.8; length 
of incisive foramina, 6; length of mandible, 50; of lower molar 
SEnes, 13:6. 
