NO. 6 NEW AMERICAN EDRIOASTEROIDEA BASSLER 33 



PAGE 



Fig. 14. Xenocystites carteri, new genus and species 3 



The type specimen, X i-6, half of a theca showing basal covering 



plates and the outlines of four ambulacra impressed upon them. 



Chemung (Gowanda) : Cattaraugus Creek, Versailles, New York. 



Fig. 15. Carneyclla ? (Lcbetodiscus) platys (Raymond) 7 



Photograph of the type specimen, X 4- 

 Middle Trenton, Ottawa, Canada. 



