Applying this test to the earlier gods the union will be found to be lacking.

The sun's spiritual power is united with Indra's, but the sun is as much a physical phenomenon as a spirituality, and always remains so.

On the other hand, the equation of Varunic power with Indraic never amalgamated the two; and these are the best instances that can be chosen of the older gods.

For in the case of others it is self-evident.

Dyaus and Dawn are but material phenomena, slightly spiritualized, but not joined with the spirit-power of others.
Many have been the vain attempts to go behind the returns of Vedic hymnology and reduce Indra, Agni, and Soma to terms of a purely naturalistic religion.