LEPUS. 437 



175. Eight males. Total length, 564 (535-587); head and body, 

 493 (459-514); tail vertebrae, 71 (64-83); hind foot, 116 (108-127); 

 ear from notch, 136.4 (133-146). Eleven females. Total length, 

 599 (559-626); head and body, 524 (483-546); tail vertebras, 73.7 

 (64-89); hind foot, without claws, 118 (108-124); ear from notch, 137 

 (130-145)." (Allen, 1. c.) 



texensis deserticola, Elliot, Syn. N. Am. Mamm., 1901, p. 291. 



texianus (sic) deserticola (Lepus), Mearns, Proc. U. S. Nat. Mus., 



18, 1896, p. 564. 

 WESTERN DESERT RABBIT. 



Type locality. Western edge of the Colorado Desert, at base of 

 Coast Range Mountains, in San Diego County, California. 



Geogr. Distr. State of Sonora, Mexico, and the desert region 

 between the Sonoyta Valley of Arizona and Sonora, and the Coast 

 Range Mountains of California; Lower California, Mexico. 



Genl. Char. Size of L. calif ornicus , with larger ears; colors pale. 



Color. Above clay color, mixed with gray and black; sides and 

 gular patch ochraceous; beneath tinged with ochraceous buff; ear 

 pale drab and white, as usually seen, tipped with black on under side. 



Measurements. Total length, 560; tail vertebras, no; hind foot, 

 125; ear from crown, 158. Skull: total length, 92.5; occipito-nasal 

 length, 90; Hensel, 72; zygomatic width, 42; width between orbits, 

 26; median nasal length, 29; lateral nasal length, 38; width of palatal 

 bridge at tip of azygos, 8; length of incisive foramina, 22; posterior 

 width of incisive foramina, 10; length of upper tooth row, alveolar 

 border, 16; mandibular length, angle to alveolus of incisor, 63; height 

 at coronoid process, 37. 



452. californicus (Lepus), Gray, Charlesw. Mag. Nat. Hist., i, 1837, 

 p. 586. Bachm., Journ. Acad. Nat. Scien. Phil., 1839, p. 86. 

 Elliot, Syn. N. Am. Mamm., 1901, p. 291. 



bennetti, Gray Zool. Sulphur, 1844, P- 36, pi. 14. 



richardsoni, Bachm. Journ. Acad. Nat. Scien. Phil., 1839, p. 88. 

 CALIFORNIA JACK RABBIT. 



Type locality. "St. Antoine," Santa Barbara County?, Cali- 

 fornia. 



Geogr. Distr. Lower California, Mexico, from Cape St. Lucas to 

 northern California. 



Genl. Char. Size large; ears and hind feet longer than the head; 

 hind feet shorter than the ears. 



Color. Above yellowish brown, mixed with black; sides, rump, 

 and thighs tinged with cinnamon; head like back, darkest on the 

 crown; nape smoky gray; beneath white in center of belly and chin; 



