function of dreaming, the forgetting of dreams — these I will discuss in connection with the latent dream-content.

I shall take every care to avoid a confusion between the manifest and the latent content, for I ascribe all the contradictory as well as the incorrect accounts of dream-life to the ignorance of this latent content, now first laid bare through analysis.

The conversion of the latent dream thoughts into those manifest deserves our close study as the first known example of the transformation of psychical stuff from one mode of expression into another. From a mode of expression which, moreover, is readily intelligible into another which we can only penetrate by effort and with guidance, although this new mode must be equally reckoned as an effort of our own psychical