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Foreign Correspondence
Published online by Cambridge University Press: 17 March 2016
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- Copyright © Cambridge University Press 1858
References
page 486 note * The Geologist, NO. I., p 66.
page 486 note † All the above varieties of corundum are met with in nature.—T. L. P.
page 487 note * We have already shown in the pages of the Geologist, that according to the recent interesting experiments of Lewy and Daubrée, it is extremely probable that water has played an important part in the formation of this beautiful mineral species.—T. L. P.
page 489 note * One invented by Mr. Bartlett; the other by M. Sommeiller.
page 490 note * The principal facts in the above have been extracted from a paper lately addressed to the Academy of Sciences at Paris, by L. F. Ménabréa, entitled—Note sur le Percement des Alpes entre Modane et Bardonècke, which may be consulted by those of our readers who are desirous of further technical details.—T. L. P.