[56] Zeitschr. physiol. Chem., Band 9, p. 463.

[57] Amer. Chemical Journal, vols. 13 and 14.

[58] Ibid., vol. 15, p. 379.

[59] Zeitschr. f. Biol., Band 19, p. 198.

[60] Amer. Chemical Journal, vol. 14, p. 629.

[61] Not hitherto published.

[62] Journal of Physiology, vol. 11, p. 435.

[63] Amer. Chemical Journal, vol. 14, p. 662.

[64] Studies in Physiol. Chemistry, Yale University, vol. 3, p. 115.

[65] Fourteenth Annual Report Conn. Ag. Exp. Sta., 1890; 2d paper, Amer. Chemical Journal, vol. 14, p. 212.