If my perception is correct, Dr. Rothstein was faced with a tactical decision when he sat down to write this book. On the one hand he was proposing sweeping emendations to the structural model; on the other, he was concerned with the resistances any challenge to current theory were likely to generate, particularly when this challenge came from one not in the very forefront of psychoanalytic theoreticians. The strategy he chose was to downplay the scope of the changes he was advocating and hence his role as revisionist.

This strategy is manifest in the title wherein the word evolutionary does not refer to an ethological-Darwinian approach, nor does it indicate