116 SYLVILAGUS. 



Geogr. Distr. Hot, arid plains of central-interior California in 

 Salinas, upper Cuyama, and San Joaquin Valleys, north to beyond 

 Raymond and south to Walker and Tejon Passes. Not found west 

 of the outer Coast Range. Vertical range from about 250 feet in 

 bottom of San Joaquin Valley to 4500 feet altitude on western slope 

 of Sierra Nevada. Zonal range mainly lower Sonoran, but extend- 

 ing into upper Sonoran. 



Gent. Char. Size as S. auduboni; ears larger, colors paler; head 

 pale ochraceous; flanks paler than back; rump grayish; nape pale 

 ochraceous-buff; front and sides of fore legs ochraceous-buff; top of 

 fore feet buffy white; back and side of hind legs buff-cinnamon; 

 neck beneath pale buff; rest of underparts white; tail above pale 

 grayish buff; outer side of ears buffy gray, margined with black at 

 tip. Ex type in United States National Museum. 



Measurements. Total length, 375; tail, 73; hind foot, 88; 

 ear, 68. Skull: Occipito-nasal length, 67.8; Hensel, 52.9; zygomatic 

 width, 34.1; intertemporal width, 12.4; length of nasals, 22.5; pal- 

 atal length, 4.9; length of upper molar series, 12.8; length of man- 

 dible, 45.2; length of lower molar series, 12.5. Ex type in United 

 States National Museum. 



Sylvilagus auduboni cedrophilus Nelson. 



Syhilagus auduboni cedrophilus Nels., Proc. Biol. Soc. Wash., 

 XX, 1907, p. 83. 



Type locality. Cactus Flat, 20 miles north of Cliff, Grant County, 

 New Mexico. 



Geogr. Distr. Mainly the juniper and pinon pine belt, north 

 through mountains of southern half of New Mexico and along the 

 mogollon Range to east side of San Francisco Mountain of east- 

 central Arizona. Vertical range from about 5000 to 8000 feet in 

 western New Mexico. Zonal range mainly upper Sonoran. 



Genl. Char. Similar to S. a. minor but larger and darker in color. 

 Skull : larger than 5. a. minor but bullae smaller. 



Color. Top of head and upperparts dark buff washed with black; 

 flanks pale buff, no black; rump-patch iron-gray; nape dark rusty 

 rufous; front and sides of fore legs dark rusty rufous; back and sides 

 of lower portion of hind legs rusty cinnamon; top of hind feet white; 

 neck beneath dark buff; rest of underparts white; outer side of ears 

 grayish buff, bordered at tip with black; tail above grayish brown. 

 Ex type in United States National Museum. 



Measurements. Total length, 385; tail, 35; hind foot, 92. Skull: 

 Occipito-nasal length, 66.8; Hensel, 50.8; zygomatic width, 34.3; 

 intertemporal width, 10; length of nasals, 26.6; palatal length, 5.4; 



