[288] Bateson, W., Problems of Genetics, pp. 201–202. Yale University Press, 1913.

[289] Kammerer, P., Arch. f. Entwcklngsmech., 1913, xxxvi., 4.

[290] Werner, F., Biol. Centralbl., 1915, xxxv., 176.

[291] Loeb, J., The Mechanistic Concep­tion of Life. Chicago, 1912.

[292] de Vries, H., The Muta­tion Theory, translated by Farmer, J. B., and Darbishire, A. D., Chicago, 1909. Species and Varieties. Chicago, 1906. Gruppenweise Artbildung. Berlin, 1913.

[293] For a critical discussion of the details, see Bateson, W., Problems of Genetics, New Haven, 1913, Chapter X.

[294] Fermi, C., Centralbl. f. Bacteriologie, Abt. 1, 1910, lvi., 55.

[295] Levene, P. A., Autolysis. The Harvey Lectures, 1905–1906, p. 73, gives a full account of the work on this subject up to 1905.

[296] Hoppe-Seyler, F., Tübinger med.-chem. Untersuchungen, 1871, P. 499.

[297] Levene, P. A., Am. Jour. Physiol., 1904, xii., 276.