This volume is conceived as the first of a series devoted to fostering the growth of psychoanalysis as a science. The editors' ambitious aims are exemplified by the broad range of topics they will accept for inclusion. They invite the full range of investigative methods used in the biological and behavioral sciences, as well as philosophical, clinical, and review articles. Contributions from the findings of other disciplines relevant to psychoanalysis are especially encouraged.

Volume I consists of fifteen essays divided into five sections. In the first section, General Theoretical, Holt's paper entitled Freud's Mechanistic and Humanistic Images of Man, attempts to classify Freud's thinking and writing into these two categories and to contrast the underlying assumptions of each of them. It is a provocative essay and, based upon the author's particular philosophy of science, calls for