Studies on the variation, distribution, and evolution of the genus Partula
By: by Henry Edward Crampton.
Series: Publication / Carnegie Institution of Washington -- no. 228, 228A, 410; Carnegie Institution of Washington publication -- 228, 228A, 410
Publisher: Carnegie Institution
Published: 1916
Place of publication: Washington
Subjects: Snails
Table of contents: title: v. 2. The species of the Mariana Islands, Guam and Saipan.