A synopsis of the classification of the fresh-water Mollusca of North America, north of Mexico, and a catalogue of the more recently described species
By: with notes, by Bryant Walker ..
Series: University of Michigan. Museum of zoology. Miscellaneous publications, no. 6; Miscellaneous publications (University of Michigan. Museum of Zoology) -- no. 6
Publisher: The University
Published: 1918
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 213
Subjects: Mollusks -- North America
Notes: In 2 parts: pt. 2 has special t.-p

Bibliography: p. [191]-198