later found necessary to render the course of the presentations more independent of the manifestations of pain. To accomplish this the Forec. system needed some qualities of its own which could attract consciousness, and most probably received them through the connection of the foreconscious processes with the memory system of the signs of speech, which is not devoid of qualities.

Through the qualities of this system, consciousness, which had hitherto been a sensory organ only for the perceptions, now becomes also a sensory organ for a part of our mental processes. Thus we have now, as it were, two sensory surfaces, one directed to perceptions and the other to the foreconscious mental processes.

I must assume that the sensory surface of consciousness devoted to the Forec.