434 



LEPUS. 



FIG. LVIII. LEPUS ALLENI. ALLEN'S JACK RABBIT. 



ALLEN'S JACK RABBIT. 



Type locality. Rillito Station, Southern Pacific Railroad, Pima 

 County, Arizona. 



Geogr. Distr. Desert region between Phcenix and Benson, 

 Arizona. Mexico? 



Genl. Char. Size large; ears large; fulvous gular patch. 



Color. Above yellowish brown, mixed with black; nape fulvous; 

 sides, hips, rump, and outer side of legs white, mixed with black, giving 

 a gray effect; pectoral band fulvous, rest of under parts white; head 

 pale yellowish gray; feet white above; tail above gray, with a line of 

 plumbeous black extending onto the rump, beneath white; ears 

 whitish, with fringe white. 



Measurements. Total length, 643 ; tail vertebrae, 69 ; hind foot, 

 138; ear from notch, 156. Skull: occipito-nasal length, 108; Hensel, 

 86; zygomatic width, 48; median nasal length, 34; lateral length of 

 nasals, 45; posterior width of nasals, 36; anterior width of nasals, 

 16; palatal length to tip of azygos termination, n; length of upper 

 tooth row, 19; length of frontals, 47; of parietals, 16; length of lower 

 jaw from tips of incisors to angle, 84; height at condyle, 43. 



a. palitans (Lepus), Bangs, Proc. New Eng. Zool. Club, i, 1900, p. 85. 

 WANDERING JACK RABBIT. 



Type locality. Agua Caliente, forty miles southeast of Mazatlan, 

 State of Sinaloa, Mexico. 



Geogr. Distr. State of Sinaloa, Mexico; range unknown. 



Genl. Char. Similar to L. alleni, but smaller and darker; ear 

 shorter; rostrum broader and shorter. 



