Some factors affecting the replacement of the commercial fresh-water mussels
By: By M.M. Ellis ...
Series: United States. Bureau of fisheries. Fishery circular -- no. 7
Publisher: U.S. Govt. print. off.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 10
Subjects: Freshwater mussels
Notes: Caption title.

At head of title: U.S. Department of commerce. Bureau of fisheries.

"Literature cited": p. 10.