CHAPITRE I

Becker, George F.

1910 The Age of the Earth. Smifhsonian Misc. Colls., vol. 56, no. 6, Pubi. no. 1936, Washington, 1910.

1915 Isostasy and Radioactivity. Bull. Geol, Soc. Amer., March, 1915, pp. 171-204.

Chamberlin, Thomas Chrowder.

1916 The Evolution of the Earth. Third series of lectures on the Wil.

(1915) liam Ellery Hale foundation, delivered April 19-21, 1915. Scientific Monthly, May, 1916, pp. 417-437; June, 1916, pp. 536-556:

Clarke, Frank Wigglesworth.

1916 The Data of Geochemistry. Third edition. U, S. Geol. Survey, Bull. 491. Gov't Printing Office, Washington, 1916.

Cuvier.

1825 Discours sur les révolutions de la surface du globe et sur les chàngements qu'elles ont produits dans le règne animal. Voir Recherches sur les Ossements fossiles. 3° édition, vol. I, G, Dufour et E. d'Ocagne, Paris, 1825, pp. 1-172.

Henderson, Lawrence J.

1913 The Fitness of the Environment. Macmillan Co., New York, 1913.

Hutton, James.

1795 Theory of the Earth with Proofs and Illustrations Edinburgh, Jordan, Edwin ©.

1908 A Text-Book of General Bacteriology. W. B. Saunders, Philadelphia and London, 1908.

Judd, John W.

1910 The Coming of Evolution. The Story of a Great Revolution in Science. Cambridge Manuals of Science and Literature, Cambridge University Press, Cambridge, 1910.

Loeb, Jacques.

1906 The Dynamics of Livins Matter. Columbia University Press, New York, 1906.

Lyell, Charles.

1830 Principles of Geologÿy. Murray, London, 1830. Moulton, F. R.

4912 Descriptive Astronomy. Amer. School of Correspondence, Chicago, 1917; Pirsson, Louis V., and Schuchert, Charles.

1915 A Text-Book of Geology. Part I, Physical Geology by Louis V. Pirsson. Part II, Historical Geology, by Charles Schuchert, John Wiley & Sons, New York; Chapman & Hall, London, 1915.

Poulton, Edward B.

1896 A Naturalists Contribution to the Discussion upon the Age of the Earth. Pres. Addr. Zool. Sec. Brit. Ass., delivered September 17, 1896. Rept. Brit. Ass,, Liverpool, 1896, pp. 808-828.

Rutheriord, Sir Ernest.

1906 Radioactive Transformations. Charles Scribner's Sons, New York,

Schuchert, Charles.

1915 A Text-Book of Geology (with Pirsson, Louis V.). Voir Pirsson.

Walcott, Charles D.

1893 Geologic Time, as indicated by the sedimentary rocks of North America. Jour. Geol., October-November, 1893, pp. 639-676.