378 



Mr. 11. I. Pocoek on some. 



obsolete and the supratragus alone retains its normal size 

 and shape. 



The Rhinarium. 



In profile view the rhinarium of Danis horribilis resembles 

 that of Euarctos americanus, as figured by me in 1914, the 

 septum of the nares visibly projecting beyond their lateral 

 boundaries. From the anterior view also the rhinaria of 

 the two species are much alike, except that in D. horribilis the 



Ffc. 1. 



A. Rhinarium and upper lip of Hclarctos malayanus from the front. 



B. The same from the side. 



C. Right ear of Helarctos malayanus, flattened, s. supratragus ; the 



clotted line indicates the line of attachment of the pinna to the head. 



D. Rhinarium and upper lip of Melursus ursinus from the front. 



rhinarium is relatively a little wider, forming a disk about as 

 wide as high, with the summit mesialfy depressed and the nares 

 themselves more expanded laterally. Moreover, the median 

 area of the upper lip below the rhinarium is scantily hairy. 

 The rhinarium, however, is everywhere sharply circum 

 scribed. 



The rhinarium of the example of Ursus arctos generally 

 resembles that of Danis, but the nostrils are a little smaller, 

 the septum a little wider, and the infranarial portion less 

 sharply defined from the tip towards the middle line, and the 



