DESCRIPTION OF PLATES. 503 



Figs. 14 and 14 «. — H'ipjwjwtamus (Tetraprotodon) ampMlius. 

 Upper canine, truncated in front, with reuiform outline on section. 



Fig. 15. — Meri/copotamus dissimilis. (Falc. and Caut.) Lower jaw, 

 right side, with three molars, four premolars, portion of canine, and 

 alveoli of incisors. The teeth exhibit a riiminant-like pattern of wear 

 in the crown which is characteristic of the genus. 



Fig. 16. — Merycopotamus dissimilis. Lower jaw, right side. Larger 

 specimen than fig. 15, with three molars, foiirth molar, and canine. 

 The alveoli of three anterior premolars and three incisors are seen. 

 — B.M. 



Figs. 17 and 17 a. — Merycopotamus dissiinilis. Molars showing well 

 the rugous surface of the enamel, the basal cingulum, and the rumi- 

 nant-like pattern of wear characteristic of the genus. — B.M. 



Fig. 18. — Merycopotamus dissimilis. Molar. 



Figs. 19, 19 «, and 19 b. — This tooth was found in the Kalowala 

 Pass by Capt. (now Sir Proby) Caiitley, and is figured by Royle in 

 ' Illustrations of Botany of the Himalayah Moimtains ' (vol. ii. Plate 

 III. figs. 12, 13, 14, and 15), as the tooth of an Anthracotherium. In 

 several of Dr. Falconer's published papers reference is made to the oc- 

 currence of Anthracotherium amoiig the Sewalik fossils (See Synopsis 

 of Sewalik Fossils, in Joiirn. As. Soc, vol. iv. p. 706, and first paper 

 on Monkey, antea, p. 296 ; and also note, p. 508.) The specimen, how- 

 ever, is not named on the Plate, and differs from Anthracotherium. — 

 B.M. 



Plate LXIII. 

 Vertebrae of Hippopotamus (Hexaprotodon) Sivalensis. 



Figs. 1 and 1 a. — Seven cervical vertebrae in position, viewed an- 

 teriorly and laterally. 



Figs. 2, 2 a, and 2 h. — Atlas. Upper, lower, and anterior views. 

 —B.M. 



Figs. 3, 3 a, and 3 h. — Atlas. Upper, lower, and lateral views. — 

 B.M. 



Figs. 4, 4 a, and 4 h. — Atlas. Upper, lower, and anterior views. — 

 B.M. 



Figs. 5, 5 fl, 5 &, and 5 c. — Axis. Four different views. — B.M. 



Figs. 6, 6 a, 6 J, and 6 c. — Axis. Four different views. — B.M. 



Figs. 1,1 a, 1 b, and 7 c. — Axis. Four different views, — B.M. 



Figs. 8 and 8 a. — Axis. Anterior and lateral views. — B.M. 



Figs. 9 and 9 a. — Axis. Anterior and lateral views. — B.M. 



Figs. 10 and 10 a. — Axis? Upper and lateral views. — B.M. 



Figs. 11, 11 a, and 11 b. — Sixth ? cervical vertebra. Upper, lower, 

 and lateral views. — B.M. 



Figs. 12, 12 a, and 12 5. — Third cervical vertebra. Upper lower, 

 and lateral views. — B.M. 



