257—80 INDIAN TERTIARY AND POST-TERTIARY VERTEBRATA. 
species and C .' littoralis and Otocyon. Tlie orbit is much smaller than in any living 
alopecoid, and thereby agrees with that of the last-named genus. Posteriorly the 
post-orbital processes of the frontal and the zygoma are considerably more developed 
than in G. bengalensis , and have apparently about the same degree of development as 
in C. littoralis , which in this respect is intermediate between the former and Otocyon. 
On the palatal aspect the posterior free border of the palatines is placed at a 
considerable distance behind the last true molar ; whereas in all other alopecoids and 
typical Ganince, this border is placed in advance of the last molar. In Otocyon , on 
the other hand, the free border of the palatines is produced still further back than in 
the fossil : and in this respect, therefore, the latter is intermediate between the 
alopecoids and that genus. The fossil is not sufficiently perfect to admit of any 
closer comparisons. 
Manclible . — The mandible associated with the skull described above is represented 
from the dental aspect in figure 7 of plate XXXII. On the left side it shows the 
last three premolars, the two first true molars, and the alveolus of m. 1 : the coronoid 
process remains, but the condyle and characteristic angular process are unfortunately 
wanting. On the right side, in addition to the teeth shown on the left, there is seen 
the alveolus of pm. 1, and the greater part of the canine. In noticing this specimen 
Mr. Bose observes that “ the rami of the lower jaw are not so much compressed as 
in the living species of the Canidse. Each ramus, instead of being straight, forms 
an arc of a circle between the angle and the mandibular symphysis. As in the upper 
jaw, the premolars in the lower jaw also are closer together than in the [BengalJ, 
Fox.” 
In the following table the dimensions of the specimen are compared with those 
of the mandible of Ganis bengalensis belonging to the same individual as the skull of 
which the dimensions are given above : — 
Interval between binder border of m. 3 and canine 
Width across hinder end of symphysis 
„ „ m. 2 
Depth at m. 1 
Length of pm. 2 . 
„ „ „ 3 
2 
,, ,, alveolus of m. 3 
Interval between carnassial and canine 
C. curvipalatus. 
left side. right side. 
0-7 
0-96 
0-45 
0-24 
0-25 
0-28 
0-3 0-35 
0-28 
0-17 
0-94 
C. bengalensis. 
2-0 
0-5 
0-85 
0-42 
0-27 
0-29 
0-32 
0-46 
0-3 
0-12 
These dimensions show that, as in the upper jaw, the premolars occupy a' 
relatively smaller space, and are themselves shorter, in the fossil than in the living 
form. They also show that while on the left side mTT is considerably shorter in the 
former, on the right this difference if less marked ; — in correlation with the larger 
size of the right pm. 4 . A comparison of the figure of the mandible of the fossil 
with that of G. littoralis (: woodcut fig. 9), of which the teeth are almost identical 
