[17] Stevens. Amer. Jour. Pharm. 77, 255, June, 1905.
[18] Whenever it is stated in this paper that a solution was poisonous or not poisonous, the test was made by the writer upon himself.
[19] Liebig's Annalen, CXI, p. 215.
[20] Über Mategerbstoff, p. 20.
[21] Bull. Soc. Chim. (II), Vol. 2, 95 (1864).
[22] Berichte 19, 1735 (1886).
[23] Jour. Chem. Soc. 71, 1194 (1897).
[24] Berichte 19, 1740.
[25] Ibid. 1747; Annalen, 112, 97.
[26] Biochem. Pflan. II, 521.