BOOK REVIEWS

Book reviewed in this articles: FRESHWATER WETLANDS. ECOLOGICAL PROCESSES AND MANAGEMENT POTENTIAL. Edited by R. E. Good, D. F. Whigham and R. L. Simpson. RHYTHMIC ACTIVITY OF FISHES. Edited by J. E. Thorpe. FISH PATHOLOGY. Edited by Ronald J. Roberts. IBP HANDBOOK NO. 8. METHODS FOR PHYSICAL AND CHEMICAL ANALYSIS OF FRESH WATERS, by H. L. Golterman, R. S. Clymo and M. A. M. Ohnstad. PROCEEDINGS OF THE SYMPOSIUM ON WARM WATER ZOOPLANKTON. WATER ANALYSIS: SOME REVISED METHODS FOR LIMNOLOGISTS, by F. J. H. Mackereth, J. Heron and J. F. Tailing. A KEY TO THE FRESHWATER PLANKTONIC AND SEMI‐PLANKTONIC ROTIFERA OF THE BRITISH ISLES by Rosalind M. Pontin. METHODS FOR ASSESSMENT OF FISH PRODUCTION IN FRESH WATERS. I.E.P. HANDBOOK NO. 3. Edited by T. Bagenal. THE DYNAMICS OF THE UPPER OCEAN by 0. M. Phillips. THE HAMLYN GUIDE TO FRESHWATER FISHES OF BRITAIN AND EUROPE by Peter S. Maitland, Illustrated by Keith Linsell. THE BEHAVIOUR OF FISH AND OTHER AQUATIC ANIMALS, Edited by David I. Mostofsky FISHES OF THE BRITISH AND NORTHERN EUROPEAN SEAS by J. Moller Christensen. Illustrated by Bente Nystrom.