AMERICAN 



JOURNAL OF €OICHOLOGY, 



VOLUME ^. 



PUBLISHED BY THE 



Conchological Section of the Academy of Natural Sciences. 



PUBLICATION COMMITTEE: 



GEO. W. TRYON, Jr., Editor. 

 S. R. ROBERTS. 

 EDW. J. NOLAX, M. D. 



PHILADELPHIA: 



Published by 



The Conchological Section of the Academy of Natural Sciences. 



N. W. cor. of Broad and Sansom Streets. 



NEW YORK: LONDON: 



B. Westermann & Co., No. 440 Broadway. Trubner & Co., No. GO Paternoster Bow. 



BERLIN: 

 Asher & Co., No. 20 Uuter d. Linden Str. 



1870. 



