gods, when she was sent on an errand, and withdrawn as soon as she had
done with it. We now know that the laws of the refraction and reflection
of light produce the radiant iris, and that it will always appear
whenever drops of water in the air present themselves to the sun's rays
in a suitable position. Knowing this, we have ceased to ask what the
rainbow appears _for_.

That a spiritual form is contained within the material body is a very
ancient and almost universal belief. Hindoo books of the remotest
antiquity describe man as a triune being, consisting of the soul, the
spiritual body, and the material body. This form within the outer body
was variously named by Grecian poets and philosophers. They called
it "the soul's image," "the invisible body," "the aërial body," "the
shade." Sometimes they called it "the sensuous soul," and described it
as "_all_ eye and _all_ ear,"--expressions which cannot fail to suggest
the phenomena of clairvoyance. The "shade" of Hercules is described by
poets as dwelling in the Elysian Fields, while his body was converted to
ashes on the earth, and his soul was dwelling on Olympus with the gods.
Swedenborg speaks of himself as having been a visible form to angels in
the spiritual world; and members of his household, observing him at such
times, describe the eyes of his body on earth as having the expression
of one walking in his sleep. He tells us, that, when his thoughts turned
toward earthly things, the angels would say to him, "Now we are losing
sight of you": and he himself felt that he was returning to his material
body. For several years of his life, he was in the habit of seeing and
conversing familiarly with visitors unseen by those around him. The
deceased brother of the Queen of Sweden repeated to him a secret
conversation, known only to himself and his sister. The Queen had asked
for this, as a test of Swedenborg's veracity; and she became pale with
astonishment when every minute particular of her interview with her