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ARVICOLA (HESPEROMYS) TEXANA.— Woodhouse. 
CHARACTERS. 
Smaller than Mus leucopus, head shorter and more blunt, ears smaller ana 
more round, brown above, and white, inclining to yellowish , beneath. 
SYNONYME. 
Hesperomts Texana. — Woodhouse, Proc. Acad. Nat. Sci., Phila., 1853, p. 242. 
DESCRIPTION. 
Head large, blunt. Eyes prominent, and dark brown. Ears large, 
erect, roundish, oval, blunt, sparsely covered outwardly with short ad- 
pressed brown hairs, inwardly with grey. Thumb of fore-feet a tubercle, 
furnished with a long blunt nail, two middle toes the longest, subequal.’ 
Hind-feet furred, with the exception of the sole. Whiskers long. 
COLOUR. 
Hair dark cinereous above, tipped with pale brown, and dusky, so as to 
have rather a mottled appearance ; beneath white inclining to yellowish ; 
the two colours, that is to say above and beneath, tolerably distinctly 
separated from each other in a straight line. Tail above brown, beneath 
white ; nose mixed brown and grey, or pale brown. Whiskers black and 
grey ; legs white on their inner surface only, feet white, the hairs project- 
ing over the nails. 
Total length from tip of nose to root of tail, - 
“ “ of tail, - - - . ' . 
Height of ear, - 
Breadth of ear, 
Pore-legs, 
Hind-legs, 
of head, 
1 0 
1 
