More Letters of Charles Darwin — Volume 2 A Record of His Work in a Series of Hitherto Unpublished Letters

CHAPTER 2.IX. GEOLOGY, 1840-1882.

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I. Vulcanicity and Earth-movements.--II. Ice-action.--III. The Parallel Roads of Glen Roy.--IV. Coral Reefs, Fossil and Recent.--V. Cleavage and Foliation.--VI. Age of the World.--VII. Geological Action of Earthworms.--VIII. Miscellaneous.

2.IX.I. VULCANICITY AND EARTH-MOVEMENTS, 1840-1881.