| Concise reference: |
Babbitt, James Bradford. 1875. Theory of the Earth; or, the periodically recurring superficial changes, or geological revolutions, in the Earth's crust; also, the changes in the organic world, indicated in the geological record; together with the proximate cause of the same, viz: the climatal vicissitudes of former times, considered with reference to the proper motion of the earth, involved in the astronomical appearance known as the "diminution of the obliquity of the ecliptic to the equator.". Taunton, Mass.: Author's edition. (CUL: 8340.d.11)[CUL-1899][Darwin Library-CUL] |
