270 MEMOIRS OF THE CARNEGIE MUSEUM 
coronoid process, transversely broad and well rounded condyle, heavy masseter ridge, 
and prominent hook-like angle. The condyle is on a horizontal line with the denti- 
tion and is slightly lower than in Meles taxus and more like that of Gulo luscus. 
The ramus is broken in the region of py but this tooth is present in the type. Pzis 
Fie. 64. Lower Jaw of Paroligobunis simplicidens. % nat. size. 1, internal view of jaw ; 2, external view of jaw. 
of considerably large size judging from the posterior root, which is still in position in 
the jaw. Pz is robust, and, as in the type, has a great transverse diameter with the 
protoconid placed well anteriorly. Internally there isa smoothly rounded cingulum, 
which continues from the antero-internal angle of the tooth, asin Gulo luscus, and 
is somewhat more developed than in the type. The crown of the tooth is much 
abraded showing that the animal was fully adult. Back of pg is a space of 11 mm. 
for pz Myis unfortunately broken anteriorly so that the blade cannot be described. 
The metaconid is preserved and is rather small and placed high up on the crown. 
The heel is of moderately large size with the hypoconid well developed, forming the 
external edge of the heel, while the entoconid is probably absent.” Back of mz 
there is a small alveolus, indicating a single-rooted tooth, which was even smaller 
than that tooth in the type. The contour of the lower jaw and especially the denti- 
tion are on the whole rather more suggestive of Gulo luscus than Meles taxus. 
* The abraded condition of the tooth does not admit of a positive statement as to the presence or absence of an 
entoconid. 
