Xll SYSTEMATIC INDEX. 



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Family TYPOTHEPIIMl 170 



Typotherium cristatum 171 



Suborder CONDYLARTHRA 172 



Family PERIPTYCHIME . . 172 



Periptychus rhabdodon 174 



Haploconus lineatus 175 



Suborder AMBLYPODA 175 



Section Cokyphodontia 176 



Family CORYPHODONTID^l 176 



Coryphodon eocsenus 178 



Section Doocekata 179 



Family TJINTATHEEIID^E 179 



Tinoceras ingens 181 



longiceps 181 



Dinoceras laticeps 182 



mirabile 182 



