Type of Leptophractus lineolatas Cope, from the Coal Measures of Linton, Ohio. Por- 

 tions of maxilla and mandible of left side with teeth. XI. Original in American 

 Museum of Natural History. 



Type of Proterpeton gitrleyi Moodie, from the Coal Measures of Illinois, near Danville. 

 Cervical of an otherwise unknown vertebrate. Neural spine to the right. 

 < iriginal in Walker Museum, University of Chicago X 2. 



Amphibian phalanx from the Coal Measures near Breeze, Illinois, of an unknown 

 species. The probable form of the element is represented. X 3. 



Large rib of a stereospondylous stegocephalan otheru-ise unknown. The rib may 

 represent a species of Macrerpeton or may even belong with ^facrcrpcton tit'ani 

 Moodie, but exact identification will have to wait for future discoveries. Prom 

 the Coal Measures of Linton, Ohio. Original in U. S. National Museum. X 1. 



Type of Cope's species Tuditaniis inorda.v referred by him to the cranium, on account 

 of the sculpturing of the elements. We now know the specimen to be portions of 

 the interclavicle and clavicles of Dicercitosann/s fiiinf/olincatiis, as Cope suggested 

 they might be. Original in American Museum of Natural History. X 1. 



Skull of Baphetet planiceps Owen from (he Coal Measures of Nova Scotia. 0.45. 

 Original in the British Museum. South Kensington. After Owen. 



