C. H. Smyth, Jr. Replacement of Quartz by Pyrites and Corrosion of Quartz Pebbles, Am. Jour. Sci. (4), vol. 19, 1905, pp. 282-285.

Dome structure of granite masses:—

G. K. Gilbert. Domes and Dome Structure of the High Sierra, Bull. Geol. Soc. Am., vol. 15, 1904, pp. 29-36, pls. 1-4.

Ralph Arnold. Dome Structure in Conglomerate, ibid., vol. 18, 1907, pp. 615-616.

Soil flow:—

J. Gunnar Andersson. Solifluction, a Component of Subaërial Denudation, Jour. Geol., vol. 14, 1906, pp. 91-112.

Otto Nordenskiöld. Die Polarwelt und ihre Nachbarländer, Leipzig, 1909, pp. 60-65.

Ernest Howe. Landslides in the San Juan Mountains, Colorado, etc., Prof. Pap., 67 U. S. Geol. Surv., 1909, pp. 1-58, pls. 1-20.

G. E. Mitchell. Landslides and Rock Avalanches, Nat. Geogr. Mag., vol. 21, 1910, pp. 277-287.

William H. Hobbs. Soil Stripes in Cold Humid Regions and a Kindred Phenomenon, 12th Rept. Mich. Acad. Sci., 1910, pp. 51-53, pls. 1-2.