■ram 



AMERICAN 



PALAEOZOIC FOSSILS: 



A CATALOGUE 



OP THE 



GENERA AND SPECIES, 



WITH 



NAMES OF AUTHORS, DATES, PLACES OP PUBLICATION, GROUPS OP ROCKS IN WHICH 

 POUND AND THE ETYMOLOGY AND SIGNIFICATION OP THE WORDS, 



AND 



AN INTRODUCTION 



DEVOTED TO THE STRATIGRAPHICAL GEOLOGY OF THE PALEOZOIC ROOKS, 



SECOND EDITION— JANUARY, 1883. 



BY s. A. :yniLXjEK.. 



CINCINNATI, OHIO: 

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



1883. 



