[65]. Some late experiments made at Hudſon’s Bay ſeem to prove that Quickſilver congeals and becomes malleable at 39 degrees below 0. See Lond. Med. Journal, page 205, for the year 1783. W.
[66]. When I introduce a new ſpecies I repeat the preceding number, with the addition of an aſteriſk, rather than break in upon the order of the author’s numbers. I intend ſhortly to publiſh an exact analyſis of this ſubſtance. W.
[67]. Opuſc. chem. vol. II, page 426.
[68]. Opuſc. vol. II. page 431.
[69]. Opuſc. chem. vol. II. p. 429.
[70]. Diſſ. de Analyſi. ferri.
[71]. Called Sideritis, from its reſemblance to iron. W.
[72]. Opuſc. chem. vol. II. p. 231.
[73]. Diſſ. de quantitate phlogiſti in metallis.
[74]. Opuſc. chem. vol. II, p. 272.