430 Loomis — Reptiles from the Titanothere Beds. 



The posterior lobes of the plastron end in broad points, due to 

 the inner margin of the anal plates being deeply excavated. 



The shell throughout is thin, the sutures being strongly 

 marked. 



10 



The following are the most important measurements, all 

 parts of the drawings being to scale. 



Length of carapace 



Width of carapace 



Length of plastron . 



Width of plastron 



Length of meso-sternura 

 Width of mesosternum . 



•303 meters 



•253 



•265 



•144 



•045 



•045 



