Page:Land Mollusca of North America (north of Mexico) Vol. I Part 1 i-276.pdf/2

This page has been proofread, but needs to be validated.

Issued December 6, 1939

Printed in the United States of America

wickersham printing company

Lancaster, Pennsylvania

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Land_Mollusca_of_North_America_(north_of_Mexico)_Vol._I_Part_1_i-276.pdf/2&oldid=12549712"