I860.] OWEN VEETEBEiE FB.OM FROME. 497 



undergo the same conservative petrifaetive change as the portions of 

 such processes preserved in the above vertebrae. 



Should the first-described cupped or aniphicoelian vertebrae prove 

 to be Reptilian, they indicate a small Saurian resembling Cladeiodon 

 or Belodon, Palceosaurus, and other triassic Thecodontia, in certain 

 anterior ribs being articulated by a bifurcate head to par- and di- 

 apophyses. 



