JOHNSON, PHYLLIS T., 1980. Histology of the Blue Crab, Callinectes sapidus. A model for the Decapoda. Praeger Special Studies, pp. i-xii, 1-440, figs. 1-304, tabs. 1-6. Praeger, 521 Fifth Avenue, New York, N.Y. 10017, U.S.A. Price U.K. £29