DESCRIPTION OF PLATES. 97 
Fig. 9.—Rhinoceros platyrhinus. Upper jaw, right side, with third 
and fourth premolars and three true molars. The first true molar is ~ 
imperfect.—B.M. 
Length of third premolar, 1-6 in. ; of fourth ditto, 1-8 in.; of fragment of first 
molar, extreme, 1-5in.; of second molar, 1-9in.; of third ditto along outer edge, 
2-2in. Width of third premolar, 2°7in.; of fourth ditto, 2-8 in.; of second molar, 
2-9in.; of third ditto along anterior edge, 2°55 in. 
Fig. 10.—Rhinoceros platyrhinus. Lower jaw, right side, and sym- 
physis, containing very large outer and small inner incisor of both sides, 
second, third, and fourth premolars, and first two true molars of right 
side.—B.M. 
Length of second premolar, -7in.; of third ditto, 1:4 in.; of fourth ditto, 
1°65 in. ; of first molar, 1-46 in. ; of second ditto, 2-in. Width of second premolar, 
45 in.; of third ditto, °85in.; of fourth ditto, 1-1 in.; of first molar, 1-05in.; of 
second ditto, 1:2in. Width between second premolars, 3°5 in. ; ditto between outer 
margins of external incisors, 3°65in. Oblique width of external incisor, 1°5 in. 
Thickness externally of ditto, oblique, ‘7 in. Length of exserted portion along outer 
edge, 2:1 in. 
Fig. 11.—Rhinoceros platyrhinus. Penultimate true molar upper 
jaw, right side, detached, but shattered. Fig. 11 a.—Ditto, ditto, re- 
stored.—B.M. 
Fig. 12.—Last true molar upper jaw, right side—B.M. 
Fig. 13.—Rhinoceros (Acerotherium?) Perimensis (from Perim Island). 
Fragment of lower jaw, with three true molars and first premolar. 
Length of first true molar, 1:15in.; of second, 1:4 in.; of third, 1°5 in, 
Fig. 14.—Rhinoceros Perimensis. Premolar tooth, detached. 
Fig. 15.—Rhinoceros Perimensis. Molar, detached and shattered. 
Fig. 16.—Rhinoceros Perimensis. Molar, detached and shattered. 
Phare DX XVI, 
Divers Indian Fossil Species of Rhinoceros. 
Figs. 1 and 1 a.—Fragment of left humerus, near upper end, from 
the Niti Pass—B.M. 
Length of fragment, 5‘9in. Breadth, 3-5in. Greatest thickness of fractured 
surface, 2°3 in. 
Fig. 2.—Fragment of left humerus, near upper end, from the Niti 
Pass. 
Length of fragment, 5-2 in.; greatest breadth, 5-2 in.; thickness, 2°3 in. 
Fig. 3.—Upper extremity and portion of shaft of left radius, from the 
Niti Pass.—B.M. 
Length of fragment, 6-in.; greatest antero-posterior diameter of superior arti- 
cular surface, 2°5in. Transverse diameter of perfect portion, 2-l1in. Transverse 
diameter of shaft at fractured portion, 2:lin. Antero-posterior diameter of ditto, 
1-din. 
Fig. 4.—Upper extremity and portion of shaft of tibia, from the 
Niti Pass.—B.M. 
Length from anterior margin of the crista tibie to posterior border of articular 
surface, 4°8in. Breadth of inner condyloid fossa, 2°6 in. Antero-posterior diam. of 
inner condyloid fossa, centre, 2°3 in. 
