ANIMAL IDENTIFICATION. A Reference guide. Volume 1, Marine and brackish water animals, edited by R. W. Sims; Volume 2, Land and freshwater animals, edited by R. W. Sims; Volume 3, Insects, edited by David Hollis. British Museum (Natural History) London; John Wiley & Sons, Chichester and New York. £31.00 the set TURTLES, PERSPECTIVES AND RESEARCH. Edited by Marion Harless and Henry Morlock, 1979. (John Wiley and Sons, New York, Chichester, Brisbane, Toronto). £30.00.