^{page 309 note *} Chemical Gazette, vol. iii., p. 251, 1845. Proceedings of Chem. Soc, April 7, 1845.

^{page 310 note *} Liebig's Annalen, Bd. 52, p. 130.

^{page 311 note *} I have inserted the centigrade degrees (in round numbers), for convenience of those accustomed to that scale.

^{page 312 note *} Trans. Royal Soc. Edin., vol. xvi., part iv.

^{page 312 note †} Quart. Jour. Chem. Soc, Lond., July 1854.

^{page 312 note ‡} Phil. Mag., September 1854.

^{page 314 note *} It was probably a salt analogous to the bases of Reiset or Gros, mixed with some impurity.

^{page 316 note *} Trans. Royal Soc. Edin., vol. xx., part ii.

^{page 316 note †} Quart. Journ. Chem. Soc. Lond., 1854.

^{page 317 note *} Trans. Royal Soc. Edin., vol. xxi., part i.

^{page 321 note *} From λεποϛ.