4-84 MURINE OPOSSUM. 
forehead runs a brownish stripe : the thumbs on 
the hind feet are rounded, as in most others of 
this genus. 
It has ten upper fore teeth, of which the mid- 
dle ones are rather longer than the rest; and 
eight lower fore teeth^ the middle ones rather 
longest, and standing distant. It is a native of 
Surinam, and, in all probability, of several other 
parts of South America. 
MURINE OPOSSUM. 
Didelphis Murina. D, cauda semipilosa, mammis saris. Lin, 
Syst. Nat. Gmel.p. 107. 
O. with tail half naked, and six teats. 
Marmose. Byf. 10. p. 335. pL 52, ^3. 
Murine Opossum. Fennanf Quadr. 2. p. 23. 
This is one of the smaller Opossums, measur- 
ing about six or eight inches from nose to tail, 
which is nearly of similar length. It is of a 
somewhat slender form, with a long and sharpish 
snout and a wide mouth : the ears are large and 
rounded, and the tail naked, or scaly its whole 
length, but coated with straggling hairs for about 
two inches from the base, or even much less. 
This species has no ventral pouch, but on each 
side the lower part of the abdomen is a longitu- 
dinal furrow or fold, in the cavity of which the 
teats are situated. The general colour of the 
Murine Opossum is a kind of tawny brown above, 
and whitish beneath : the eyes are encircled with 
