A guide to the study of fresh-water biology
Subtitle: with special reference to aquatic insects and other invertebrate animals and phyto-plancton
By: by James G. Needham ... and Paul R. Needham ...
Contributors: Needham, Paul R. 1902-1964.
Edition: 4th ed., rev. and enl.
Publisher: Comstock publishing company, inc.
Published: 1938
Place of publication: Ithaca, N. Y
Language: eng
Number of pages: 88
Subjects: Freshwater biology.; Aquatic insects.
Notes: "List of plates" on p. [2] of cover.