142 DR. J. E. GRAY’S SYNOPSIS OF THE SPECIES 
have not sufficient materials to satisfy myself as to the distinctness of this species and 
the permanence of the forms. 
Fig. 2. Skull of B. indicus, nearly adult. 
Fig. 1. Fig. 2. Fig. 3. Fig. 4. 
in. lines. in. lines. in. lines. in. _ lines. 
[enp ihnot SKULLS... s)atdontensrenatees en AO), 0 17 3 9 10 4 8 
Length from occiput to front of orbit... 6 9 5 9 3 if 2 8 
benpthronsace crrssierc - ote eieettieeite 13 3 11 6 6 3 2 0 
Length of lower jaw ...........4.. 27 0 23 0 none. 5 5 
Widthiatiocei patie sia «stiiesieie 1 - 13 5 10 6 Seal 2 6 
Width at hinder notch ............ 9 2 6 9 3 9 1 6 
Widthat moteh!) ites 5 oF 5 pel 2 4 0 9 
The face becomes shorter, compared with the width of the middle of the face, as the 
animal becomes older. 
In the young, fig. 4, the length of the head is rather more than three times the width 
of the swollen part behind the notch. In fig. 3 it is just three times, and in fig. 2 it is 
