STELLAR EVOLUTION


BY THE SAME AUTHOR.


Climate and Time in their Geological Relations: A Theory of Secular Changes of the Earth’s Climate. By James Croll, of H. M. Geological Survey of Scotland. With Maps and Illustrations. 12mo. Cloth, $2.50.

Discussions on Climate and Cosmology. By James Croll, LL.D., F.R.S. With Chart. 12mo. Cloth, $2.00.


STELLAR EVOLUTION

AND ITS RELATIONS TO

GEOLOGICAL TIME