Non-marine Mollusca of Oregon and Washington
By: Junius Henderson
Series: University of Colorado studies -- vol. XVII, no. 2; University of Colorado studies -- vol. 17, no. 2
Publisher: University of Colorado
Published: 1929
Place of publication: Boulder, Colo
Language: eng
Number of pages: 190
Subjects: Mollusks
Notes: Cover title.

Includes index.