PAL^OMASTODON WINTONI. 159 



The dimensions (in centimetres) of the teeth are : — 



Length. Width. 



pm. 3 3 1'8 



pm.4 3-9 2-6 



m.\ 4-1 2-8 



TO. 2 5-6 3-3 



m. 3 6-9 4 



Presented hy the Egyptian Government, 1902. 



Text-fig. 54. 



cor. 



Mandible of Palceomastodon wintoni : A, from above ; B, from left side. 

 cond., condyle ; cor., coronoid process ; i., alveolus of incisor ; m.f., mental foramen. ^ nat. size. 



M. 8415. Portions o£ right and left rami of mandible of a yonng individual in which m. 3 had not 

 been cut. The dimensions (in centimetres) of the teeth present are : — 



Length. Width. 



pm. 3 3'7 



pm. 4 4-6 



m. 1 5 3 



m. 2 6-5 4-2 



11.8853. Portion of left ramus of mandible with the cheek-teeth in excellent preservation. 



