209 
ARVICOLA TO WN SEND II. —Bach 
Townsend’s Aevicola. 
PLATE CXLIV. Fig. 1.— Male. — Natural Size. 
A. Mure decumano duplo minor, auriculis erectis, vellere prominulis, 
colore in dorso plumbeo ad rufum vergente in capite colloque. 
CHARACTERS. 
Half the size of the Norway rat ; ears, upright, and visible beyond the fur ; 
Plvmbeous on the back, inclining to rufous on the head and neck. 
SYNOXYME. 
Aevicola Tovnsendii. Bachman, Jour. Acad. Nat. Sciences, vol. viii., part 1 , p. 60. 
DESCRIPTION. 
Body, cylindrical ; head, rather small ; whiskers, long, reaching beyond 
the ears ; eyes, small ; teeth, large ; ears, large, broad, erect, extending 
considerably above the fur ; feet, of moderate size ; toes, like the rest of 
this genus ; thumb, protected by a rather short acute nail ; tail, scaly, 
sparingly covered with soft hair, a few hairs at its extremity ; feet, clothed 
to the nails with short brown adpressed hairs ; fur, on the back, about 
three lines long, much shorter beneath. 
COLOUR. 
Whiskers, white and black ; teeth, yellow ; fur on the upper part of the 
body, lead colour from the roots to near the tips, which present a mixture 
of white and black points, from which results a general plumbeous colour • 
under surface, grayish-ash ; neck, sides of face, nose, and an obscure line 
above the eye, ashy-brown ; tail, brownish, with a few white hairs at the 
tip ; feet, yellowish-brown ; claws, brown. 
DIMENSIONS. 
Length of head and body, - 
Tail, 
vol. hi.— 27 
Inches. Lines. 
- 6 
- 2 G 
