¢ . 
REPORT ON A COLLECTION OF SHELLS FROM 
PERU, WITH A SUMMARY OF THE LITTORAL 
MARINE MOLLUSCA OF THE PERUVIAN 
ZOOLOGICAL PROVINCE 
IT ine ate DTS LP Pre ia 
: s ‘ aA Aes 
as oe 
BY 
WILLIAM HEALEY DALL 
Curator, Division of Mollusks, U. S. National Museum 
No. 1704.—From the Proceedings of the United States National Museum, 
Vol. 37, pages 147-294, with Plates 20-28 
Published November 24, 1909 
Washington 
Government Printing Office 
. 1909 
