﻿SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 59, NUMBER 18 



NEW SPECIES OF LANDSHELLS FROM 

 THE PANAMA CANAL ZONE 



With Two Plates 



BY 



WILLIAM H. DALL 



(Publication 2134) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JULY 27, 1912 



