PURBECK FORMATIONS. 



115 



9 

 J3 



more than the 

 (multidentate) 



type-number 



■{ 



LYENCEPHALA 



Table of Genera of Mesozoic Mammals. 



f f Microlestes. 



Jmphitherium. 

 Spalacotherium. 

 Dromatherium. 

 Amblothermm. 

 Peralestes. 

 Achyrodon. 

 Peraspalax. 

 Peramus. 

 ^Sti/lodon. 

 r Phascolotherium. 

 in type-number (typodentate) } Triacanthodon 

 [^ C Triconodon. 



z .§ ^^ 



.z o 



S :2 







■- 



"s 







^ 













^ 







s 







OS 







S 







o 



en 







O 

 w 





'^ 





i- 





o 



03 





C3 





(U 





'o 







fcr-l 



o 





p=; 



s 







•4.A 







o 







S 







,a 



















l^ 







less than the type-number 



(paucidentate) . . . Plagiaulax. 



INCERT^ SEDIS. 

 Stereognaihus. Bolodon. 



PRINTED BY J. E. ADLAED, BAETHOLOMEW CLOSE. 



