The patient I shall now discuss was sent to me for a variety of physical complaints of a functional origin. In the course of treatment it became apparent that I was dealing with a psychosis of the schizophrenic type. In this paper I shall concentrate only on certain aspects of the case; namely, the schizoid symptomatology and some of the schizoid mechanisms encountered. An additional aim will be to throw some light on depersonalization, and I will try to show the connection between processes of ego-disintegration and depersonalization.