mezOkh ON A COLLECTION “OF SHELLS FROM 
PERU, WITH A SUMMARY OF THE LITTORAL 
MARINE MOLLUSCA OF THE PERUVIAN 
ZOOLOGICAL PROVINCE 
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- 
