168 



Prof. H. G. Seeley on the 



the base, but both are broken and lost from the positions 

 where they leave the maxillary bones. The transverse 

 width between them on the palate is 1^ inch. The roots of 

 the tusks, as usual, are nearly parallel to each other, but 

 converge slightly as they descend below the vomerine level 

 of the palate. Seen laterally their contour is parallel to the 

 lower part of the anterior outline of the nearly vertical face. 



Fier. 1. 



postfrontal. 



frontal. 



epipterygoid 



prefrontal. 



1 lachrymal. 



-intermaxillary. 



Right side of the skull of Mochlorhinus platyceps. | nat. 



The imperfections of the skull are: — loss of the anterior 

 biting border of the intermaxillary bone between the tusks ; 

 the hinder part of the palate is missing, including the basi- 

 sphenoid, together with all the bones which are about the 

 foramen magnum ; the squamosal and quadrate bones are 

 lost with the malar arches which define the temporal 

 vacuities, together with the descending postfrontal arches 



