TWO NEW LAND SHELLS FROM THE 

 WESTERN STATES 



BY 



PAUL BARTSCH 



Curator, Division of Marine Invertebrates, Uniled States National Mu 



No. 2155. — From the Proceedings of the United States National Museum, 

 Vol. 51, pages 331-333, with Plate 31 



Published November 24, 1916 



l«iOV2 5^9i& 



Washington 



Government Printing Office 



1916 



