To build one, profit; to be in a strange house denotes change (Gypsy). Schemer contends that the dream phantasm of a house has its representation in the entire organism. Under some conditions a single organ would be represented by a whole series of houses. Long rows of houses symbolize intestinal excitements. On other occasions particular parts of the house would represent particular parts of the body. In one headache dream, the ceiling of the room which the dreamer sees is covered with disgusting reptilelike spiders —the ceiling represents the head (Freud).