5984. When the spirits who are in the world of spirits desire to have communication with a number of societies, they are wont to send forth subjects, one to each society. And I have observed that evil spirits sent out many round about and stationed them like a spider setting its web, the senders being in the middle. And to my surprise they know how to do this as from a kind of instinct; for they who had known nothing of such things in the life of the body, do it at once in the other life. From this also it is evident that communications are effected through emissary spirits.