J. M. Elliott: A Key to the Larvae and Adults of British Freshwater Megaloptera and Neuroptera, with notes on their life cycles and ecology. – Illustrated by D. E. Kimmins and C. Joan Worthington. – With 18 fig., 1 table, 52 pp. – Ambleside: Freshwater Biological Association, Windermere Laboratory, Scientific Publication No. 35.1977. £ 1.00