Book Reviews

Book reviews in this article:
Biology of Fresh Waters. By PETER S. MAITLAND.
Salmon Propagation in England & Wales. A report by the Association of River Authorities/National Water Council Working Party. Ed. by G. S. HARRIS.
Salmon and Trout Farming in Norway. By D. J. EDWARDS.
A Key to Adult Males of British Chironomidae (Diptera), the Non-biting Midges. By L. C. V. PINDER.
Key to the Fishes of Northern Europe. By ALWYNE WHEELER.
Technology Assessment and the Oceans. Ed by P. D. WILMOT & A. SLINGERLAND.
Ecology of Freshwater Fish Production. Ed. by SHELBY D. GERKING.