Sir Ch. Lyell. Principles of Geology, vol. 2, pp. 180-197.

Ed. Suess. The Face of the Earth, Clarendon Press, Oxford, 1906, vol. 2, Chapters i and xiv, pp. 1-29, 535-556.

Robert Sieger. Seenschwankungen und Strandverschiebungen in Scandinavien, Zeit. d. Gesell. f. Erdk., Berlin, vol. 28, 1893, pp. 1-106, 393-688, pl. 7.

Elevated shore lines:—

F. B. Taylor. The Highest Old Shore Line of Mackinac Island, Am. Jour. Sci., vol. 43, 1892, pp. 210-218.

Thomas L. Watson. Evidences of Recent Elevation of the Southern Coast of Baffins Land, Jour. Geol., vol. 5, 1897, pp. 17-33.

J. W. Goldthwait. The Abandoned Shore Lines of Eastern Wisconsin. Bull. 17, Wis. Geol. and Nat. Hist. Surv., 1907, pp. 134, pls. 1-37.

Evidences of depression:—

W. B. Scott. Introduction to Geology, New York, 1907, pp. 33-36.

W. J. McGee. The Gulf of Mexico as a Measure of Isostacy, Am. Jour. Sci. (3), vol. 44, 1892, pp. 177-192.