AMERICAN 



PALiEOZOIC FOSSILS: 



A CATALOGUE 



GENERA AND SPECIES, 



NAMES OE AUTHORS, DATES, PLACES OF PUBLICATION, &KOUPS OF KOCKS IN WHICH 

 FOUND AND THE ETTMpLOGY AND SIGNIFICATION OF THE WOKDS, 



AN INTRODUCTION 



DEVOTED TO THE STEATIGKAPHICAL GEOLOGY OF THE PALEOZOIC ROOKS. 



SECOND EDITION— JANUARY, 1883. 



BY S. J^. H^ILXjEI?.. 



CINCINNATI, OHIO: 



PUBLISHED BY THE AUTHOR, No. 8 W. THIRD ST. 



1883. 



