22 NEW-YORK FAUNA. 
S. cooperi. (Id. ib. p. 388, pl. 24, fig. 7.) Dark brown, beneath ash; nose long and pointed ; tail as 
long as the head and body; total length 3-5. N. W. Territory. The smallest quadruped yet 
observed in the United States. 
S. fimbripes. (Id. ib. p. 391, pl. 24, fig. 8.) Dark brown above, fawn-colored beneath ; feet broad, 
fringed at the edges; tail a little shorter than the body ; total length 3+9. Pennsylvania. 
S. palustris. (Ricwarpson, F. B.A. p.5.) Blackish hoary above, lighter beneath ; total length 6 +2. 
Arctic Regions. 
GENUS OTISOREX. 
Ears large and prominent, beyond the fur. Nose elongated. Eyes distinct. Tail quad- 
rangular. Teeth, 33. 
Oss. We have ventured to propose this group, founded upon a northern and southern 
species, both exceedingly small. 
THE BROAD-NOSED SHREW. 
OTISOREX PLATYRHINUS. 
PLATE V. FIG. 1.—(STATE COLLECTION.) 
Characteristics. Dark brown, paler beneath. Total length, four inches. 
Description. Head large. Nose much elongated, and flattened vertically ; bordered on 
each side above with long whiskers, the tips of the most posterior extending beyond the ears ; 
a few shorter ones on the lower jaw. Extremity of the muzzle naked and blackish, bilobate 
at the tip; nostrils small, lateral. Eyes small, but distinct and black, equi-distant between 
the tip of the nose and the margins of the ears. Ears very large, rounded and membrana- 
ceous, sub-angular on the upper margin, sparsely covered within and without with long hairs ; 
a transverse membranous septum across the auditory foramen, thinly covered with hair. Fore 
feet feeble, pentadactyle, 0°5 long. Toes separate, covered with short, shining, whitish 
hairs; internal shortest; the outer, second, fourth and third, counting from within, suc- 
cessively longer. Nails moderate, slightly curved. Hind feet slender, 0°8 long, sparsely 
covered with light rufous hairs. Tail quadrangular, slightly constricted at its base, tapering 
to a point, covered thinly with short hairs, but not concealing the annulations. Fur over the 
whole body quite long and thick, varying from 0°2 to 0°4 inches. Tongue long, sublinear, 
papillose with transverse ruge. Weight, 45-50 grains. Skull elongated. Teeth minute, 
tinged with piccous at their tips. Dental formula: Incisors, 3; cheek teeth, -¢=32. In 
the upper jaw the incisors are short, with broad and dilated bases : They have a double tip, 
the posterior being small, distant and tubercular; the five succeeding are small, the fifth 
being, however, so exceedingly minute as to escape observation, unless aided by the lens ; 
the sixth with a trifid tip, and a small dilated tubercular heel; the seventh and eighth sub- 
