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PRINCIPLES of GEOLOGY; or, the Modern Changes of the Earth and its Inhabitants, as illustrative of Geology. 9th Edition. Woodcuts, 8vo., 18s. |
ELEMENTS of GEOLOGY; or, the Ancient Changes of the Earth and its Inhabitants, as illustrated by its Geological Monuments. 6th Edition, revised. Woodcuts. 8vo. [In Preparation.] |
A FIRST and SECOND VISIT to NORTH AMERICA, CANADA, NOVA SCOTIA, &c.: with Geological Observations. 2nd Edition. Maps. 4 vols. Post 8vo. 24s. |