John; Ibid., p. 651.

[26]

Dulong. Oersted, Lucas, Pontet; Ibid., p. 640.

[27]

Braconnot: Ann. Chim. Phys., 2, 3. 277. Stenhouse: Ann. Chim. Phann., 198, 166

[28]

3 Pflanzenstoffe, p. 412.

[29]

Lecocq: Braconnot: Pharmacog. Pflan, p. 693.

[30]