1869.] CLASSIFICATION OF THE CARNIVORA, 27 
cases lead to similar conclusions. In the presence of a short cecum, 
and of Cowper’s glands, and a distinct prostate, Hyzena confurms 
with the Ailuroids. The penis is of a form unlike that characteristic 
of that group, being large and pendulous under the abdomen; but 
in the entire absence of a bone it agrees with some of the Viverride, 
and differs essentially from all the Arctoid and Cynoid Carnivora. 
The large number of rib-bearing vertebree (fifteen or sixteen) of the 
Hyeenas is a special peculiarity, as thirteen is the most usual number 
in the #luroids. 
Hyzna (Hyena striata). 
(The letters as in the preceding figures.) 
The Hyznas must then form either a fourth primary division of 
the Carnivora, or be added, as rather aberrant members, to the lu- 
roid section. On the whole I am inclined to the latter arrangement, 
especially as it will be seen to gain support from the examination of 
the singular genus next to be spoken of. 
Proteles was considered by Cuvier a ‘“ Genette hyénoide.” It is 
