with an inhibition which weighs them down. Language has hit upon the truth when it speaks of the suppression (sub-pression, or pushing under) of such impulses. The psychic mechanism which enables such suppressed wishes to force their way to realization is retained in being and in working order. But if it happens that such a suppressed wish is fulfilled, the vanquished inhibition of the second system (which is capable of consciousness) is then expressed as discomfort. And, in order to conclude this argument: If sensations of a disagreeable character which originate from somatic sources are present during sleep, this constellation is utilized by the dreamactivity to procure the fulfilment- with more or less maintenance of the censorship- of an otherwise suppressed wish.

This state of affairs makes possible a certain number of anxiety dreams, while others of these dream- formations which are unfavourable to the wish-theory exhibit a different mechanism. For the anxiety in dreams may of course be of a psychoneurotic character, originating in psycho-sexual excitation, in which case, the anxiety corresponds to repressed libido. Then this anxiety, like the whole anxiety-dream, has the significance of a neurotic symptom, and we stand at the dividing-line where the wish- fulfilling tendency of dreams is frustrated. But in other anxiety- dreams the feeling of anxiety comes from somatic sources (as in the case of persons suffering from pulmonary or cardiac trouble, with occasional difficulty in breathing), and then it is used to help such strongly suppressed wishes to attain fulfilment in a dream, the dreaming of which from psychic motives would have resulted in the same release of anxiety. It is not difficult to reconcile these two apparently contradictory cases. When two psychic formations, an affective inclination and a conceptual content, are intimately connected, either one being actually present will evoke the other, even in a dream; now the anxiety of somatic origin evokes the suppressed conceptual content, now it is the released conceptual content, accompanied by sexual excitement, which causes the release of anxiety. In the one case, it may be said that a somatically determined affect is psychically interpreted; in the other case, all is of psychic origin, but the content which has been suppressed is easily replaced by a somatic interpretation which fits the anxiety. The difficulties which lie in the way of understanding all this have little to do with dreams; they are due to the fact that in discussing these points we are touching upon the problems of the development of anxiety and of repression.

The general aggregate of bodily sensation must undoubtedly be included among the dominant dream- stimuli of internal bodily origin. Not that it is capable of supplying the dream-content; but it forces the dream-thoughts to make a choice from the material destined to serve the purpose of representation in the dream- content, inasmuch as it brings within easy reach that part of the material which is adapted to its own character, and holds the rest at a distance. Moreover, this general feeling, which survives from the preceding day, is of course connected with the psychic residues that are significant for the dream. Moreover, this feeling itself may be either maintained or overcome in the dream, so that it may, if it is painful, veer round into its opposite.

If the somatic sources of excitation during sleep- that is, the sensations of sleep- are not of unusual intensity, the part which they play in dream-formation is, in my judgment, similar to that of those impressions of the day which are still recent, but of no great significance. I mean that they are utilized for the dream formation if they are of such a kind that they can be united with the conceptual content of the psychic dream-source, but not otherwise. They are treated as a cheap ever-ready material, which can be used whenever it is needed, and not as valuable material which itself prescribes the manner in which it must be utilized. I might suggest the analogy of a connoisseur giving an artist a rare stone, a piece of onyx, for example, in order that it may be fashioned into a work of art. Here the size of the stone, its colour, and its markings help to decide what head or what scene shall be represented; while if he is dealing with a uniform and abundant material such as marble or sandstone, the artist is guided only by the idea which takes shape in his mind. Only in this way, it seems to me, can we explain the fact that the dreamcontent furnished by physical stimuli of somatic origin which are not unusually accentuated does not make its appearance in all dreams and every night. * -

* Rank has shown, in a number of studies, that certain awakening dreams provoked by organic stimuli (dreams of urination and ejaculation) are especially calculated to demonstrate the conflict between the