35—69 
SIWALIK AND NARBADA BUNODONT SUINA. 
tliG summit of the occipital crest forms the highest point of the skulh ; and thereby 
differs from S. barbatits, in which “ the highest point is some way in front of the 
occipital squama, and occupies a level far above the plane occupied by the anterior 
half of the frontal.”^ 
In the following table the dimensions of the specimen under consideration are 
compared with those of the type skull of S. giganteiis^ with one of N. barbatus, of 
which the dimensions are given by Rolleston, and with one of S. cristatus : — 
S. giganteus. 
Specimen. 
S. harhatus. 
S. cristatus. 
Extreme length .... 
15-8 
19-7 
14-5 
Base line 
13-5 
16-7 
1-2 
Extreme zygomatic width 
8-5 
6-62 
6-8 
6-2 
Length of nasals 
8-0 
10-5 
6-6 
,, ,, fronto-parietals 
7-2 
9-0 
7-2 
Width of nasals 
1-5 
1-5 
1-7 
,, ,, post-orbital processes 
5 1 
4-3 
4-5 
4-25 
Height of occiput 
6-55 
4-G2 
5*1 
Long diameter of condyle . 
1-6 
1-13 
1-2 
Interval between foramen magnum and palate 
3-8 
4-1 
3-25 
Height at infra -orbital foramen 
5-4 
4-4 
3-9 
Width of palate posteriorly 
1-7 
1-2 
1-1 
1-3 
,, ,, ,, anteriorly 
1-5 
1-34 
1-35 
Greatest diameter of orbit 
1-35 
1-75 
1-6 
Length of palate 
9-2 
8.6 
In the next table the 
dimensions 
of the 
teeth of the 
present and 
the last 
specimen are compared with those of the two British Museum crania of S. giganteus^ 
viz . : — 
Present 
species. 
S. giganteus. 
i 
-.A ^ 
male. 
female. 
Length of three true molars 
3'55 
3-48 
3-2 
3-7 
,, ,, four last cheek-teeth 
4-28 
3-74 
3-8 
4-22 
)j ssiTes of ,, ,, 
. 5*5 
6-1 
Diameter of canine 
1-1 
0-58 
Length of pm. 4 ... 
0-54 
0-45 
0-7 
0-7 
Width „ „ ... 
0-65 
0-55 
0-9 
0-82 
Length ,, m. 1 
1 
0-68 
0-52 
0-62 
0-75 
Width ,,,,,,. 
0-68 
0-82 
0-92 
Length „ ,, 2 . 
0-54 
0-87 
0-91 
1-16 
Width „ „ . 
0-9 
0-85 
1-08 
1-08 
Length ,. ,, 3 
1-G4 
2-1 
1-7 
1-85 
Width ,,,,,,. 
1-14 
1-0 
1-2 
1-22 
In regard to the cheek-dentition it will be observed that, as in the male cranium, 
the length of m. 3 considerably exceeds the united length of tlie two preceding teeth, but 
this character is largely due to mutual pressure, and the worn condition of the teeth; 
m. 1 and m. 2 having lost their enamel on both their anterior and j)Osterior borders. 
The third premolar is of the normal shape, and therefore quite distinct from the 
corresponding tooth of S. giganteus (plate XI., fig. 2) : the first premolar is remark- 
ably small, but is rather larger in the male cranium. The last true molar (plate VII., 
fig. 7) exhibits an extremely comj)lex structure on its worn surface, the talon being 
much ]3roduced, and the portion behind a relatively more develojDed than in the 
corresponding teeth of 8. giganteus (plate XI., fig. 2) and S. titan (plate VII., fig. 6) : 
1 Vide Rolleston, op. cit., pi. XLII., fig. 5. 2 Ibid, p. 265, pi. XLIII., fig. 7. 
J 
