84; 



THE NATURAL HISTORT REVIEW. 



Dm. 1. (See fig. 1. & 2.) The first milk molar of fhe upper jaw 

 presents a trenchant conical crown traversed by a slight ridge, that 



'';\ 



Fig. 1. 



divides the latter into two equal halves. Anteriorly at its junction 

 with the cingulum it is slightly thickened. On the posterior aspect 

 of the crown, which, as in the Canidae, is longer than the anterior, is 

 a vrell defined notch marking ofi" a small cusp. The cingulum is 

 more strongly marked behind than before, and in the British Museum 

 specimens is also largely developed on the inner side. The crown is 

 supported by two cylindrical divergent fangs, and is implanted 

 obliquely in the jaw, to admit of the crowding of the small Premolar 

 1 into the alveolar border. 



Dm. 2. The second milk molar, as is usual in the carnivora, con- 



