1578. The same thing holds good of other representations also, as those, for instance, which are of the animal kingdom, and those, too, which pertain to terrestrial objects, as woods, fields, rivers, mountains, - of all which the souls [so to speak] are to be sought in the interior, intimate, and inmost sense. For from the celestial, which is the soul, is formed the spiritual, from the spiritual the natural, from the natural the material, of the threefold kingdom [the mineral, vegetable, and animal].