MDCIDIE 



1. Mandible of Macrerf>eton i/euni Moodie, from the Linton, Ohio, Coal Measures. 

 Original in American Museum of Natural History, No. 2934. X 0.6. 



1. I'm I ion of the skull of Macrerpeton deani Moodie, possibly of the same individual 

 as the mandible. From the Linton, Ohio, Coal Measures. Original in 

 American Museum of Natural History, No. 8535 G. X 0.4. 



3. Type of Crrcarwiiioi-films />an'isqiiainis Cope, from the Linton, Ohio, Coal 



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



4. An additional specimen of CtTCttriontOfptUK f>ai~t'is(fiianiis Cope, from the Linton. 



Ohio, Coal Measures. Original in American Museum of Natural History. X 1. 



5. Skull of Saurof>lei<ra sfii/t-llala Newberry. From the Coal Measures of Ohio. X 1. 



6. Tooth of Afastodonsaurus sp. indet. of the Carboniferous of Kansas. Original in 



University of Kansas Museum. X 1. 



7. Tooth of 8fa$todonuamu giganlfus Jaejrer, from the Triassic of Germany. 



Introduced for comparison with the tootli from the Kansas Carboniferous. XI. 



