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SPERMOPHILUS MEXICANUS.-Licht. 
Mexican Marmot Squirrel (Spermophile). 
PLATE CIX. — Old Male, and Young. 
S. magnitudine sciuri Hudsonici, auriculis brevibus, cauda longa, corpore 
supra rufo-fulvo, maculis vel strigio albis, subtus albo flavescente. 
CHARACTERS. 
Size of Sciurus Hudsonicus ; ears, short ; tail, long ; body, above, reddish- 
tawny, with white spots or bars j beneath, yellowish-white. 
SYNONYMES. 
Citilus Mbxicanus. Licht, Darstellung neuer oder wenig bekannter Saugthiere, 
Berlin, 1827-1834. 
Speemofhilus Spilosoma. Bennett, Proc. Zool. Soc., London, 1833, p. 40. 
DESCRIPTION. 
Form, very similar to the leopard spermophile (S. tridecemlineatus ), 
although the present species is the larger of the two ; ears, short, and 
clothed with short hairs ; body, moderately thick ; legs, rather short ; toes 
and nails, long ; tail, somewhat flat, distichous, and shorter than the body. 
COLOUR. 
Upper surface, rufous-brown, spotted with yellowish-white, the spots 
bordered posteriorly with black ; under parts, pale buff-white ; this colour 
extends somewhat upVards on the sides of the animal ; feet, pale-yellow ; 
tarsi, hairy beneath, the hairs extending forwards to the naked fleshy pads 
at the base of the toes ; claws, dusky horn colour, with pale points ; the 
fur at the roots (both on the upper and under parts of the animal) is gray. 
The eye is bordered with whitish-yellow ; head and ears, rufous-brown ; 
upper surface of tail, dark-brown, edged with a white fringe on the sides ; 
