H. Caspers

Diversity begets stability: Sublinear growth and competitive coexistence across ecosystems

Protein-Based Biological Materials: Molecular Design and Artificial Production

IAN R. BALL and T. B. REYNOLDSON: British Planarians. Platyhelminthes: Tricladida. Keys and notes for the identification of the species.‐Synopses of the British Fauna (New Series) edited by DORIS M. KERMACK and R. S. K. BARNES, No. 19. Published for the Linnean Society of London and the Estuarine and Brackish‐water Sciences Association.‐With 36 figs., 141 pp. Cambridge ‐ London ‐ New York: Cambridge University Press 1981. ISBN 0521238757 (hard covers) 282721 (paperback). £ 16.00/£6.95.

Proceedings of the Third International Congress an Marine Corrosion and Fouling, October 2–6, 1972, National Bureau of Standards, Gaithersburg, Maryland, U.S.A. – 1031 p. Evanston, Ill.: Northwestern University Press. $ 25.00