Contents

10 May 1974
Vol 184, Issue 4137

About The Cover

A woodcut from Aldrovandi's Monstruorum historia (first published in 1642), reproduced on the dust jacket of Francois Jacob's The Logic of Life: A History of Heredity (Betty E. Spillman, translator; Pantheon, New York, 1974, viii, 348 pp. $8.95). The original edition,La Logique du Vivant (Gallimard, Paris, 1970) was reviewed in Science 172, 365 (1971).