[173] Cf. Enriques, Wachsthum und seine analytisehe Darstellung, Biol. Centralbl. 1909, p. 337.

[174] Cf. (int. al.) Mellor, Chemical Statics and Dynamics, 1904, p. 291.

[175] Cf. Robertson, l.c.

[176] See, for a brief resumé of this subject, Morgan’s Experimental Zoology, chap. xvi.

[177] Amer. J. of Physiol., X, 1904.

[178] C.R. CXXI, CXXII, 1895–96.

[179] Cf. Loeb, Science, May 14, 1915.

[180] Cf. Baumann u. Roos, Vorkommen von Iod im Thierkörper, Zeitschr. für Physiol. Chem. XXI, XXII, 1895, 6.

[181] Le Néo-Vitalisme, Rev. Scientifique, Mars 1911, p. 22 (of reprint).

[182] La vie et la mort, p. 43, 1902.