298 



UNGULATA. 



Fig. 38. 



Hippopotamus sivalensis. — a, Palatal view of cranium (No. M. 2269), §■ ; b, third 

 right upper true molar, ^ ; c, upper view of anterior part of mandibular 

 symphysis (No. 16312), ^. All the specimens are from the Siwalik Hills. 



16377. The cranium, showing most of the dentition in a damaged 



condition. 



16378. The hinder portion of the cranium, showing the last five 



cheek-teeth in an early condition of wear. Noticed by the 

 present writer, loo. cit. 



16379. The greater portion of the cranium of an immature indi- 



vidual. This specimen, together with No. 16382, is 

 intermediate in dental characters between Nos. M. 2269 and 

 16175, and No. 17469 ; it is noticed by the present 

 writer, loo. cit. 



16380. An imperfect cranium, showing the cheek-dentition in an 



early stage of wear. 



16381. Middle portion of the cranium of an immature individual, 



showing the greater part of the permanent dentition and 

 mm. 4 . Noticed by the present writer, loo. cit. 



