[215] The Prolongation of Life.

[216] Hekteon and LeConte.

[217] Through Tea & Coffee Trade Jour., 1914 (vol. xxvi: pp. 29–32).

[218] Old Age Deferred, 1910.

[219] Loc. cit. ([see 190]).

[220] Practical Dietetics, 1917 (p. 254).

[221] Zentr. Biochem Biophys., 1912 (vol. xiii: p. 504).

[222] Jour. Anat. & Physi., through Tea & Coffee Trade Jour., 1913 (vol. xxv: p. 345).

[223] Lancet, Dec. 2, 1911.

[224] Pharmacology, 1913 (p. 258).