42 
MOLAR TEETH AND OTHER REMAINS OE MAMMALIA. 
Bramatherium perimense, Falc., Plate 7, fig. 13. 
The specimen drawn in the above figure is a portion of the right ramns of the 
mandible, containing the first and second molars, the latter of which is broken on 
the inner side ; the specimen is in the collection of the Asiatic Society of Bengal. 
The teeth are well worn, although the enamel folds still extend completely across 
the crown, exhibiting the same lateness in their time of insulation which charac- 
terizes the molars of Camelopardalis. 
The crowns of the molars are of a more “ hysodont” type than those of Camelo- 
pardalis, while the inclination of their long axis to that of the jaw is somewhat 
more. The postero-internal angles of both barrels form the most prominent points 
on the inner border of the crown surface, while their antero-internal angles are the 
least prominent. The outline of the outer half of the crown surface of the hinder 
barrel forms a triangle with curvilinear boundaries, and the postero-external angle 
of this portion of the crown surface is produced inwards, to appear as a sharp point 
on the inner surface of the teeth, between the first and second molars ; both of the 
above characters are also common to the molars of Camelopardalis, 
On the inner surface the dorsum of the molars is divided into two equal 
portions, placed parallel to one another, but obliquely to the long axis of the jaw 
each of these segments is terminated by a median pointed summit, and is divided by 
three slight nearly vertical costm. 
On their outer surfaces the teeth are covered by a rugose enamel ; on the inner 
surface the enamel is almost smooth. 
The lower molars are distinguished from those of Camelopardalis by the 
crown surface wearing less obliquely, and by the absence of the accessary tubercle 
at the entrance to the median valley of the first molar; they are also larger 
in size. 
The distinctions between the molars of this genus and those of VisJinutlierium 
have been already pointed out. 
There appears to be no difference, except that of size, between the lower molars 
of this genus and those of Swatherium ; the upper molars of the two genera have, 
however, several points of difference {see “ Fal. Mem.^^ ml. I, p. 399). In the 
above-mentioned note on this genus, Ealconer says that the premolars of this genus 
are distinguished from those of Camelopardalis, by the fact that the premolars of the 
latter genus are characterized by “ their great excess of width compared with their 
length in the description, however, of the premolar of Camelopardalis sivalensis 
given above, it was noticed that the squareness of crown characteristic of the living 
species does not hold in the fossil species ; and that, therefore, the form of the crown 
of the premolar of the latter is the same as in Bramatherium. This fact points to 
the very close connection between the Siwalik forms of the two genera ; the long 
neck and the square-crowned premolar of the living C. giraffa being only a recently- 
acquired character. 
( 60 ) 
