90 fHfi OPOSSUMS. 



with three distinct black longitudinal stripes, one on 

 each side running through the eye, and one in the 

 middle, which commences between the eyes and 

 becomes suddenly broader towards the crown of the 

 head, the ears are white clouded with black at the 

 base. 



Didelphys cancrivora may be distinguished by 

 the black, or dark brown colour of the long bristly 

 hairs which are interspersed with the ordinary fur, 

 the ears appear to be of an uniform black colour, the 

 brown head will also serve to distinguish it from the 

 two preceding species. 



Didelphys Californica, like D. cancrivora, has a 

 brown head but the long interspersed hairs on the 

 upper parts of the body are totally white, its he^ad is 

 long, and the muzzle is very narrow. 



Didelphys breviceps^ may be distinguished by the 

 shortness of the head,* and the smaller size of the 

 ears, there is a very conspicuous dark brown patch 

 on the lower part of the cheek. 



QUICA OPOSSUM. 



Didelphys Quica. 

 Didelphys Quica, Temminck. 



Description. Fur rather short and harsh to the 

 touch ; general colour deep ashy grey, somewhat 



* The skull is in the specimen from which the description 

 is taken, and appears to be perfect. The specimen of D. Cali- 

 fornica now before me also possesses the skull. 



