This hypothesis, from such an origin, unverified and unverifiable, is too weak to support the superstructure which has been erected upon it. This hypothesis discarded, it may be presumed that the earth was never in a fluid or wholly incandescent state.

"It may be shown that all nebulæ are crowded stellar masses."—Humboldt.

Action and Retro-action.

2. ([Page 25.]) "Considering the continued activity of the sun through countless centuries, we may assume, with mathematical certainty, the existence of some compensating influence to make good its enormous loss."—Cor. and Con. of Forces.

If the earth receives the benefits of this activity, surely the "compensating influence" must, in a like degree, go forth from the earth to the sun. And, furthermore, if this influence (whatever its character) may pass in the one direction through space without known or visible means of communication, retro-action may be affected through the same channel.

The Earth and all Spheres framed alike.

3. ([Page 26.]) "The earth belongs to a system of planets analogous to itself, having the same origin, the same destiny, situated around the same centre and governed by the same motive power."—Flammarian.

Mutual Relations of Earth and Sun.