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Published online by Cambridge University Press: 15 September 2014
Among the many and various controversies to which the geological study of the great chain of the Alps has given rise, not the least interesting is that which has reference to the origin of the beautiful lakes which occur most numerously in the lower reaches of the mountain valleys. None of the theories hitherto set forth seems to me to explain the origin of these remarkable basins, and in place of these I now venture to adduce one of my own, which has been suggested by some years's; observations on the Tertiary and Quaternary accumulations of the valley of the Po. Of course, it will be understood that I am far from denying that lacustrine basins may owe their origin to many various causes; and for lakes in general I am inclined to adopt some such classification as the following:
* “Note illustrative alia carta geologioa della Provincia di Treviso,’ Soil. Soc. Geol. Ital., vol. iii. 1884.Google Scholar
note * page 275 Sacco, F., “La valle della Stura di Cuneo dal ponte dell' Olla,” &c., Atti Soc. It. Sc. Nat., xxix. 1886.Google Scholar