A NEW MOLLUSK OF THE GENUS PISIDIUM FROM 



ALASKA, WITH FIELD NOTES BY 



G. DALLAS HANNA 



BY 



VICTOR STERKI 



Of New Philadelphia, Ohio 



No. 2160.— From the Proceedings of the United States National Museum, 

 Vol. 51, pages 475-477 



Published December 16, 1916 



HFCl 61916 



Washington 



Government Printing Office 



1916 



