EURYOTIS UNISULCATUS.—F. C u v ie r . '
M amma lia .— P l a t e XXIII.
E. supra flavo-iufus, brunneo penicillatus; capitis corporisque lateribus sordido-cinereis, flavo-rufo um-
bra tis; subtus pallide griseo-albus; ochreo tinctus; auribus magnis, patulis, apicibus scmicircularibus,
externe et interne flavo-albis, brunneo penicillatis ; villo lanuginoso.
L ongitudo ab apice nasi ad basin caudre 7 u n c .; caudas 3 unc. 6 jin .
Otomys unisulcatus, F. Cuvier.
CoLOUR.-r^The prevailing colour o f th e upper and la te ra l p a r ts o f th e head,
n e c k and body, in te rm ed ia te be twe en s ienna -y e llow and buff-orange, — the
tin t much brok en by a n um b e r o f fine umber-brown s tr ia ; re sem blin g d e lica te
lin e s formed b y a p en c il. T h e la te ra l p a r ts o f th e he ad and body d u sk y a sh
g rey , tinged with th e predominant colour o f th e b a c k ; the under p a r ts , from
the ch in to th e vent, to g e th e r with th e upp er lip and th e e x trem itie s p a le
cream-ye llow. T h e e a rs in te rn a lly and e x te rn a lly p a le s ien n a -y e llow , p e n cilled
w ith brown. T a il superiorly dull brownish red, inferiorly dirty ru s ty
yellow. W h is k e r s redd ish b row n ; e y e s brownish b la c k ; in c iso rs dull orange
yellow.
F orm , &c .—Head moderately large, sides bulging; muzzle narrow, laterally
compressed; tip of nose bare; upper lip divided anteriorly. Whiskers long,
bushy, and slightly rigid ; ears large, patulous, semicircular, thin, and with a
moderate coating of short rigid hair. Body robust; legs and toes short; claws
nearly straight, pointed and freely covered with rigid hair. Tail cylindrical,
tapered, and thinly coated with short bristly hair, the cuticular scales visible
in rings. The fur consists of two sorts; the one—the predominant slightly
rigid, particularly on the back; the other which is scanty, is soft, woolly, and
scattered among the latter towards the skin. The first is longest and densest
on the back and sides, and in all situations slightly recumbent. The incisors
of upper jaw, each with a longitudinal curve anteriorly, near to the outer