43 
PSEUDOSTOMA TALPOIDES.-Rich. 
Mole-Shaped Pouched Rat. 
PLATE OX.— Males. 
P. Magnitudine muris ratti, corpore nigro cinerescente, capite pro 
portione parvo, mento albo, macula alba ad gulam, pedibus posticis 
quadridigitatis. 
CHARACTERS. 
Size of the black rat ; head, small in proportion ; body, grayish-black ; chin, 
white ; a white patch on the throat ; only four perfect toes on the hind feet. 
SYNONYMES. 
% 
Crioetus (?) Talpoides. Rich, Zool. Jour. No. 12, p. 5 , pi. 18. 
? Geomvs ? Talpoides. “ F. B. A., p. 204. 
OoTAw-CHEE-GOEs-HEES. Oree Indians. 
DESCRIPTION. 
Body, shaped like that of the mole ; head, rather small ; nose, obtuse 
and covered with short hairs ; incisors, strong, with flat anterior surfaces ; 
upper ones short and straight, and each marked with a single very fine 
groove close to their inner edge ; lower incisors, long, curved inwards, 
and not grooved ; whiskers, composed of fine hairs as long as the head ; 
eyes, small ; auditory opening, small and slightly margined ; ears, scarcely 
visible beyond the fur. 
The pouches have an opening on the sides of the mouth externally, and 
are of moderate size ; extremities, very short ; the fore foot has four toes 
and the rudiment of a thumb ; the middle toe is longest and has the largest 
claw, the first and third are equal to each other in length, the outer one is 
f shorter and placed far back, and the thumb, which is still farther back, 
consists merely of a short claw ; the fore claws are long, compressed, 
slightly curved, and pointed ; they are, however, less robust than those of 
some other species of the genus, especially P. bursarius. On the hind feet 
there are four short toes, armed with compressed claws much shorter than 
