2357. CONCERNING THE SITUATION OF SPIRITS WITH RESPECT TO THE BODY. See what was before said: that spirits obtain situations in relation to the human body according to the quality of each, and also that they change situations, but not otherwise than is usual, when the heterogeneous things of the body ascend to the head and infest it, or [go] to other regions or parts of the body where is not their [proper] genuine situation, from which, nevertheless they are cast out in the healthy body.