Fresh-water rhizopods of North America.
Series: Added t.-p.: Report of the United States Geological Survey of the Territories.  F. V. Hayden, U.S. geologist-in-charge.; v. 12
Publisher: Government Printing Office
Published: 1879
Place of publication: Washington
Language: eng
Number of pages: 324
Subjects: Rhizopoda; Freshwater animals -- North America