90 FAUNA ANTIQUA SIYALENSIS. 



tema between first and second premolars, "2 in. Length of incisor ridge on one 

 side, 1*5 in. Breadth of nasal ridge at sub-orbital foramina, 1*2 in. Between post- 

 orbital processes, 2 - o in. 



Figs. 2 and 2 a. — Sus Hysudricus (Falc. and Caut.). From Sewalik 

 hills. Anterior portion of skull* broken off about sub-orbitary foramina. 

 Shows three molars and three jxreinolars and canine in situ. — B.M. 



Length of fragment, 5 - 7 in. Height from palate opposite sub-orbital foramen, 

 2-2 in. Length of three true molars, l - 8in. Length of ditto and three posterior 

 premolars, 3 - 3 in. Diastema between first and second premolars, "1 in. Length of 

 whole molar series, 4- in. 



Figs. 3 and 8 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, 6'4 in. Height of jaw opposite second molar, 2 - in. 

 Length of three molars, 3 - in. Ditto of entire molar series, 5'3 in. 



Figs. 4, 4 a, 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"5 in. Height from palate at sub- 

 orbital foramen, 1*8 in. Width of cranium superiorly at ditto ditto, l - in. LeDgth 

 of exposed molar series, 3' in. Of first and second molars, T4in. Between first 

 premolar and external incisor, "6 in. Between first premolar and internal incisor, 

 T4 in. 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 left canine 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 - 8 in. Of 

 ditto with two premolars, 5' in. Distance between canine and second premolar, 

 1-9 in. 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, 2-1 in. Width of ramus, 1*4 in. 

 Length of spnpbysis, 2'S in. Width between external alveolar margins 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, l'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 - 9 in. Of three true molars, 3 - 2 in. Between first and second pre- 

 molars, -5 in. Between first premolar and canine, - 3 in. Alveolar margin of three 

 incisors, l"3in. 



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, KM, in. Depth of ramus at anterior margin of last molar, 



