554 HARES FROM MEXICAN BORDER— MEARNS. vol. xviii. 



j. Nape and base of ear black caUotis. 



Jj. Nape autl base of ears sooty grayish or yellowish. 

 k. Sides white; size small; head stout; ears moderate. 



(jaillardi (p. 560). 



kk. Sides gray; size large; head slender; ears enormous, alleni. 



it. Convex surface of ear black at the apex; rump with a distinct 



black median stripe, in continuation of the 



black upper surface of the tail. 



/. Nape and base of ears black mcrriami (p. 5.58). 



U. Nape and base of ears never black, usually jialer than or 

 coucolor with the body. 

 m. Haunches and sides of rump distinctly whitish or pale 

 grayish, in sharp contrast with the dark col- 

 oring of the back. 

 11. Size medium ; ears small (under 150 mm. from crown) 

 with ochraceous fringes anteriorly; upi)er sur- 

 face of body vinaceous cinnamon., melanotis. 

 nn. Size small; ears larger (over 150 mm, from crown) 

 with brownish white fringes anteriorly; 

 upper surface of body brownish gray. 



(jriseiis (p. 562). 



mm. Haunches and sides of rump not distinctly whitish, but 



sufltused with the dark coloring of the back. 



o. Head stout; black of upper surface aggregated so 



as to form blotches; under surface mostly 



white. 



p. Sizelarge (total length, 620mm.; ear from crown, 



170; hind foot, 145); colors, grayish above, 



white below texianits. 



pj). Size small (total length, 580 mm. ; ear from crown, 

 160; hind foot, 130); colors, more brownish 

 on sides, sometimes stained with yellowish 



below eremicus. 



00. Head slender; black of ujDper surface evenly dis- 

 tributed, not forming dusky blotches; under 

 surface stained with yellowish or cinnamon. 

 q. Colors pale; upper surface grayish or clay 

 color, but slightly mixed with black; ears 

 pale drab, large (averaging 165 mm. from 

 crown); under parts lightly tinged with 

 ochraceous buff (sometimes whitish). 



deserticoJa (p. 564). 



(jq. Colors dark ; upper surface drab, mixed with 



gray and considerable black ; ears dark drab, 



small (averaging 155 mm. from crown) ; under 



parts strongly tinged with cinnamon. 



californiciis. 



LEPUS SYLVATICUS HOLZNERI, new subspecies. 



HOLZNER'S COTTONTAIL. 



Geographic distribution. — This cottontail was first met with in the 

 red juniper zone of the Carrizalillo Momitains— the first wooded range 

 on the boundary west of the Rio Grande. The Indians, who distin- 

 guish it from the cottontail of the phiins of that region {Lcjjus arizoncv 



