FEBRUARY 23, 1900 VoL. I, pp. 85-86 
PROCEEDINGS 
OF THE 
NEW ENGLAND ZOOLOGICAL CLUB 
A NEW JACK RABBIT FROM WESTERN MEXICO. 
BY OUTRAM BANGS. 
Lepus (acrotolagus) alleni palitans* subsp. nov. 
Type, from Aguacaliente (about forty miles southeast of Mazatlan), Sinaloa, 
Mexico, ? adult, no. 9096, coll. of E. A. and O. Bangs, collected Aug. 7, 1897, 
by P. O. Simons. 
Subspecific characters Similar to true Z. al/ent Mearns of Arizona, but 
smaller and darker in color, the head in particular much darker; ear shorter; 
skull smaller; rostrum broader and shorter. 
Color.— Back, from nape to flanks, dull yellowish brown (the new hairs, 
appearing in patches, are much darker, more dusky with yellowish brown 
tips); nape dull, dark plumbeous; sides gray; flanks and rump white; under 
side of neck cinnamon; chin, throat, a narrow central band along under parts, 
and inner surfaces of legs white; upper surface of tail blackish; head dark 
grizzled gray — the hairs banded with dusky and dull yellowish gray; orbital 
ring whitish; lashes black; whiskers mostly black, a few with broad dull 
yellowish white bands; ears nearly naked, except for the whitish fringe around 
the edges. 
Measurements.— Type: ear from notch, 126, from crown, 150; hind foot, 
129 mm. No. 9097, topotype, @, young adult: ear from notch, 130, from 
crown, 159; hind foot, 125mm. (All these measurements are from the dried 
skins.) 
Skull, type, adult 2: basal length, 76.; occipitonasal length, 95.4; zygo- 
matic width, 46.2; interorbital width, 22.; width behind postorbital processes, 
14.4; length of nasals, 42.2; greatest width of nasals, 23.6; length of upper 
tooth row, alveoli, 16.4; length of single half of mandible, 74 mm. 
1 Palitans — wandering about. 
