[34]. Pharmaceutical Journal, Feb. 1847, p. 357; and Med. Gaz., 1847, vol. xl, p. 939.

[35]. Quoted in Med. Gaz., 1847, vol. xl, p. 1153.

[36]. Lancet, Nov. 27, 1847, p. 575; and Med. Gaz., 1847, vol. xl, p. 1031.

[37]. Dr. Pereira in Pharmaceutical Journal, March 1846, vol. v, No. 9.

[38]. Silliman’s American Journal of Science and Art, vol. xxi, p. 64, Jan. 1832.

[39]. Ann. de Chim. et de Physique, t. xlviii, p. 131.

[40]. Ibid., t. xlix, p. 146.

[41]. Ibid., t. lvi, p. 134.

[42]. Formic acid is so named because it was originally obtained from the red ant (Formica rufa). It is now made from starch.

[43]. Turner’s Chemistry, 8th ed., p. 1009.