Muiirm 



PLATE 26 



1. Photograph of type specimen of Erpetosaurus tuberculatus Moodie. from the Ohio Coal 



Measures. X 1. Original in American Museum of Natural History. 



2. Photograph of type of Macrerpeton htixleyi Cope, from the Ohio Coal Measures. X 1. 



Original in American Museum of Natural History. 



