164 PROF. ST.-GEORGE MIVART ON THE ZLUROIDEA. [Feb. 7, 
It is by cranial and dental characters that this genus is distin- 
guishable, as was pointed out by Dr. Peters and Dr. Gray. The 
palate is much more prolonged behind the last molars than in any 
Paradoxure. In Paradorurus grayii (in which itis more prolonged 
than iv any other Paradoxure) the first molar’s length is only 10, the 
whole cranial length being taken at 100, whilei n A. ¢rivirgata it 
is 12°6 or even 14°8, and in the specimen named A. stigmatica 
13:0. Moreover the hinder portion inclines more or less strongly 
Fig. 8. 
External form of Arctogale. 
upwards as it proceeds backwards, and there is a deep notch with 
a semicircular or more than semicircular outline on each side of the 
prolonged median portion. The hinder portion of the alveolar 
border of the mandible is also singularly everted. 
The teeth of Arctogale are remarkable for their small size and 
: P. 4 M. ‘ 
very unsectorial character. *~* and + are very nearly equal in 
