In this detailed reconstruction of Freud's analysis of the 'Rat Man' Kanzer is particularly concerned to show that although Freud appears not to have recognized consciously the transference significance of many of the exchanges between himself and the Rat Man, his theoretical explanations, reassurances, etc., were in fact informed by an unconscious, intuitive perception of the transference and were, as a result, effective in overcoming resistances. In retrospect it can be seen that at that time (1909) there was only a partial appreciation of the relationship existing between memories of the past and attitudes in the present, and that reconstructions of