90 : FAUNA ANTIQUA SIVALENSIS. 
tema between first and second premolars, ‘2in. Length of incisor ridge on one 
side, 15in. Breadth of nasal ridge at sub-orbital foramina, 1-2in. Between post- 
orbital processes, 2°5 in. 
Figs. 2 and 2 a.—Sus Hysudricus (Fale. and Caut.). From Sewalik 
hills. Anterior portion of skull broken off about sub-orbitary foramina. 
Shows three molars and three premolars and canine in situ.—B.M. 
Length of fragment, 5°7in. Height from palate opposite sub-orbital foramen, 
2:2in. Length of three true molars, 1°8in. Length of ditto and three posterior 
premolars, 3°3in. Diastema between first and second premolars, ‘lin. Length of 
whole molar series, 4° in. 
Figs. 3 and 3 a.—Sus Hysudricus. Lower jaw. The ascending 
ramus and the incisive and canine alveoli are absent. Shows three 
molars and four premolars.—B.M. 
Extreme length of fragment, 6°4in. Height of jaw opposite second molar, 2° in. 
Length of three molars, 3°in. Ditto of entire molar series, 5:3 in. 
Figs. 4, 4a, and 4 b.—Sus giganteus. Superior, palate, and side 
views of cranium. The specimen is imperfect and mutilated. Pos- 
teriorly it is broken off behind the orbit. Anteriorly it is also frac- 
tured in front of the first molar, but the anterior fragment is joined on. 
The specimen shows the two anterior molars and the third molar in 
germ.—B.M. 
Length of fragment, 8-in. Length of palate, 5'5in. Height from palate at sub- 
orbital foramen, 1:8 in. Width of cranium superiorly at ditto ditto, 1-in. Length 
of exposed molar series, 3'in. Of first and second molars, 1'4in. Between first 
premolar and external incisor, “6 in. Between first premolar and internal incisor, 
1-4in. Width of palate posteriorly, *8 in. Width of palate between canines, 
1°3 in. 
Fig. 5.—Sus giganteus.—Lower jaw, showing three molars and three 
premolars on either side. The lett canme and the alveolus are also 
seen. The incisive alveoli are imperfect.—B.M. 
Extreme length of fragment, 12°in. Length of three true molars, 3°8in. Of 
ditto with two premolars, 5:in. Distance between canine and second premolar, 
1:‘9in. Width of symphysis between external margins of canine alveoli, 3-4 in. 
Length of symphysis, 5-2 in. 
Fig. 6.—Sus giganteus. Imperfect specimen of lower jaw. Shows 
the molars and premolars on right side, and the premolars and canine 
alveolus on left; also the incisor alveoli.—B.M. 
Length of fragment. 7:4 in. Height of ramus, 2*lin. Width of ramus, 1:4 in. 
Length of symphysis, 28 in. Width between external alveolarmargins of canines, 
2°8in. Alveolar margin of four incisors, 1°2 in. 
Figs. 7 and 7 a.—Sus giganteus. Lower jaw, showing three molars, 
four premolars, canine, and three incisors. The last or posterior 
molar is intact. The ascending ramus is absent.—B.M. 
Length of fragment, 10°in. Depth of ramus at anterior margin of third molar, 
2:in. Width of ditto, 1-4in. Length of symphysis, 2°8in. Between external 
alveolar margins of canines, 2°3 in. Length of three posterior premolars and three 
true molars, 4.9in. Of three true molars, 3°2in. Between first and second pre- 
molars, ‘5 in. Between first premolar and canine, ‘3in. Alveolar margin of three 
incisors, 1°3 in. 
Figs. 8 and 8 a.—Sus giganteus. Another specimen of lower jaw, 
with molars, premolars, and canine on both sides; also the incisor 
alveoli. The third or last molar is only partly ground. The ascend- 
ing ramus is absent. From the Nerbudda.—B.M. 
Length of fragment, 10:1, in. Depth of ramus at anterior margin of last molar, 
