A key to the nymphs of the British species of Ephemeroptera
Subtitle: with notes on their ecology
By: by T.T. Macan.
Edition: 3rd ed.
Series: Scientific publication / Freshwater Biological Association -- no. 20; Scientific publication (Freshwater Biological Association) -- no. 20.
Publisher: Freshwater Biological Association
Published: 1979
Place of publication: Ambleside, Cumbrai
Language: eng
Number of pages: 79
Subjects: Mayflies -- Great Britain.; Nymphs (Insects)
Other titles: Nymphs of the British species of Ephemeroptera
Notes: First published: 1961.

Includes bibliographical references (p. [74]-79) and index.