^5-^^,0^73 



c '^, AMERICAN 



JOURNAL OF CONCHOLOGY. 



/, 



VOLUME VI. 



PUBLISHED BY THE 



Conchological Section of the Academy of Natural Sciences. 



PUBLICATION COMMITTEE: 



GEO. W. TRYOX, Jr., Editor. 

 S. R. ROBERTS. 

 EDW. J. NOLAN, M. D. 



/^^^3i 



PHILADELPHIA: 



Published by 



The Conchological Section op the Academy of Natural Sciences, 



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



NEW YOEK ! LONDON \ 



B. Westerman & Co., No. 471 Broadway. Trubnee & Co., No. 60 Paternoster Row. 



BERLIN ! 

 AsHER & Co., No. 60 Unter d. Linden. 



1871. 



