SCHUCllERT.] 



TABLES OF NORTH AMERICAN SPECIES. 



57 



Table VII. — Curbonifiroiis and rermian Brachiopoda. 



[15= Burlington; EC=- Kocarltonit'erous ; K=^ Keokuk; Ka= Kaskasliia; SL=^St. Louis. Species 

 precedeil by au obelisk (f) are found in the Devonian also.] 



