4640. Between the third heaven and the second there is a medium. Through the medium there is conjunction. [In] the third heaven, the internal is represented [by] Judah, the external by Joseph, the medium by Benjamin. [In] the second heaven, the internal [is representd] by Israel, the external by Jacob. In the lowest or first heaven, are spirits who are simple, to whom correspond the exteriors of man, as, for instance, the skins.