96 FAUNA ANTIQUA SIVALENSIS. 
Length of fragment, 14-8 in. Width of palate between second molars, 2°3 in. 
Width of palate between first premolars, 1-6in. Length of four premolars and 
first and second molar series, 8° in. Length of four premolar series, 4-9 in. Sup- 
posed depth of nasal notch, 66 in. Breadth of cranium between anterior angles of 
orbit, 7-7 in. Between external alveolar borders posteriorly, 7°3 in. Between ditto 
anteriorly, 2°5 in. 
Figs. 6 and 6 a.—Rhinoceros Sivalensis. Fragment of lower jaw, 
with symphysis and five anterior molars.—B.M. 
Length of fragment, 9-4in. Length of existing portion of symphysis, 3°1in. 
Length of molar series, 77-in. Width between the posterior molars, 2°7in. Be- 
tween anterior ditto, 2-in. Greatest depth of jaw, 3°6in. Thickness of ditto, 
2:in. 
PLATE LXXYV. 
Fig. 1—Rhinoceros Paleindicus. Fragment of upper jaw, left side, 
with three true molars. 
Length of first molar, 2-in.; of second, 2°15 in.; of third along anterior edge, 
8-lin. Width of first molar, 3-in.; of second, 3-2in.; of third along anterior 
edge, 2°9 in. 
Fig. 2.—Rhinoceros Paleindicus. Fragment of lower jaw, with 
three true molars and fourth premolar.—B.M. 
Length of fourth premolar, 1°8 in. ; of first molar, 2°15 in.; of second, 2-2 in.; of 
third, 2-2in. Width of fourth premolar, 1°35 in. ; of first molar, 1-3 in.; of second, 
1-4in.; of third, 1:3 in. 
Fig. 3.—Rhinoceros Paleindicus.—Fragment of lower jaw, with 
four molars.—B.M. 
Length of first tooth, ‘65 in.; of second, 1:3in.; of third, 1-75in.; of fourth, 
1-75 in. 
Fig. 4.—Rhinoceros Paleindicus. Premolar tooth detached.—No. 
09,648 B.M. 
Length along outer edge, 2°5in. Width of grinding surface anteriorly, 2°5 in. 
Fig. 5.—Rhinoceros Sivalensis. Fragment of upper jaw, right side, 
with three true molars and third and fourth premolar.—B.M. 
Length of third premolar, 1-6 in.; of fourth ditto, I-5 in.; of first molar, 1-75 in.; 
of second ditto, 2-in.; of third ditto along outer edge, 2°3in. Width of third 
premolar, 2°3 in.; of fourth ditto, 2-6 in.; of first molar, 2°6 in.; of second ditto, 
2-6in.; of third ditto along anterior edge, 2°5 in. 
Fig. 6.—Rhinoceros Sivalensis. Lower jaw, right side, with second, 
third, and fourth premolars, and first and second true molars.—B.M. 
Length of second premolar along outer edge, 1:2in. ; ot third premolar at centre 
of grinding surface, 1-2in.; of fourth ditto, 1-7in.; of first molar, 1-6 im.; of 
second ditto, 1-°9in. Width of second premolar, -75in.; of third ditto, 1-0in.; 
of fourth ditto, 1:15in.; of first molar, 1°3in.; of second ditto, 1:36in. Width 
between anterior angles of second premolars, 2-4 in. 
Fig. 7.—Rhinoceros Sondaicus (recent). Upper jaw, right side, with 
fourth premolar and three true molars. 
Length of fourth premolar, 1-55in.; of first molar, 1‘6in.; of second, 1-9 in. ; 
of third along outer edge, 2-1 in. 
Fig. 8.—Rhinoceros Sondaicus (recent). Lower jaw, right side, with 
third and fourth premolars and three true molars. 
Length of third premolar, 1-2 in. ; of fourth, 1‘5in.; of first molar, 1°6in.; of 
second, 1‘8in.; of third, 1-7 in. 
