A guide to the study of fresh-water biology
By: with special reference to aquatic insects and other invertebrate animals, by James G. Needham ... and Paul R. Needham ...
Contributors: Needham, Paul R. 1902-1964.
Publisher: The American viewpoint society, inc
Published: 1927
Place of publication: New York; Albany
Language: eng
Number of pages: 88
Subjects: Freshwater organisms -- Identification.; Freshwater organisms -- North America -- Identification.; Freshwater organisms -- Collection and preservation.
Genres: Identification.
Notes: This booklet is an extension of an earlier one, Genera of plancton organisms of the Cayuga Lake Basin, by O. A. Johansen and J. T. Lloyd, published in 1915. cf. Pref.