20 FAUNA ANTIQUA SIVALENSIS. 
the penultimate are seen. No mentary foramen. Specimen in Geological 
Society’s Museum. (Reproduced in Plate IX. of vol. ii.) 
Extreme length of jaw, 26°in. Divergence of rami, 24'5 in. Height at alveolus, 
. 2in. Height to broken condyle, 16°3 in. Breadth of ascending ramus, 11° in. 
Thickness of] Jaw, 7 in. Length of anterior molar, 3°9 in, Width, 3° in. Length of 
last molar, 12:in. Width in front, 3:1 in. Number of plates 18. 
Fig. 5.—Elephas antiquus.1 Fragment of lower jaw with first true 
molar on either side. The number of plates is twelve, with a heel. 
There is no mentary foramen inside. This specimen formerly belonged 
to the Earl of Aylesbury, but is now in B.M. (Vide Pl. XIV. A. fig. 7). 
Length of right ramus, 14°56 in. Height, 5-1 in. Length of right molar, 6°7 in. 
Width, 2°3 in. 
Fig. 6.—Elephas Indicus. Existing Indian Elephant. Specimen from 
Malacca in Museum of Asiatic Society. The jaw contains the last 
molar on either side. The number of plates is twenty-two or twenty- 
three, of which the eleven anterior are worn. 
Extreme length of jaw, 19°3 in. Height of condyle, 18°4 in. Breadth of ascend- 
ing ramus, 9° in. Thickness of jaw, 5°2 in. Length of molar, 10°4 in. Width, 2°9 in. 
Fig. 7.—Elephas Hysudricus. Same specimen as figured in Pl. VIII. 
fig. 4. The description and measurements have been already given.— 
B.M. 
Fig. 8.—Hlephas Africanus. Young lower jaw with two molars 
( third milk and first true) on left side, and with first true molar and 
alveolus of third milk molar, right side. The antepenultimate true 
molar has seven ridges and a back and front talon. From Museum of 
Asiatic Society. 
Piate XIII. B. 
Lower jaws of elephants in profile. The numbers correspond to the 
eight specimens figured in Pl. XIII. A. In these figures, which repre- 
sent the groups Loxodon and Huelephas, the back of the symphysis is 
seen to be a prolongation of the inferior margin into which the diastemal 
ridges descend with great obliquity and also to be attenuated towards 
the apex, to terminate in an obtuse point. 
Fig. 1.—Llephas primigenius. Showing three outer mentary 
foramina. 
Fig. 2.— EH. primigenius. With two outer mentary foramina on left 
side. ‘There were four on right side. 
Fig. 3.—E. primigenius. Two outer mentary foramina. 
Fic. 4.—E. antiquus.2 Two outer mentary foramina on left side. 
Fig. 5.—E. antiquus.? Three outer mentary foramina on left side. 
Fic. 6.—E. Indicus. Five outer mentary foramina on left side. 
Fic. 7.—KH. Hysudricus. One small outer mentary on left side. 
(See ‘also Pl. VIII. fig. 4.) 
Fig. 8.—. Africanus. Three outer mentary foramina on left side. 
PLaTE XIV. 
Figs. 1, 1 a, and 1 6.—Elephas antiquus.4 Second milk molar, lower 
jaw, left side, with six ridges and a front and back heel, from Grays, in 
Essex.—B.M. 
Length, 2°4 in. Width, 13 in, 
1 Misnamed ‘ Elephas meridionalts’ in 3 See note 1. 
Plate. See notes pages 18 and 23. * See note 1. 
2 See last note. 
