[48]. It is probable, that in another edition, the author may ſee reaſon to ſeparate the mica from the talc; as ſome experiments I have made, though yet too imperfect for publication, ſeem to indicate the neceſſity of ſuch a meaſure. W.

[49]. Opuſc. vol. ii. p. 49.

[50]. Hiſt. des Plantes de la Gujane. 1774.

[51]. Dr. Swediar lately preſented a paper to the Royal Society, from which it appears highly probable that Ambergriſe is nothing but the indurated fæces of the Sperma Ceti whale, who feeds upon the cuttle fiſh. He has found the beaks of that fiſh intermixed with the ambergriſe, in the form of black ſpots. W.

[52]. Opuſc. Vol. II, page 112.

[53]. Lavoiſier, Mem. de l’Acad. de Paris.

[54]. Opusc. vol. II. page 275.

[55]. The degrees of heat here expreſſed, are according to Farenheit’s ſcale.

By ſaturating phlogiſton, Profeſſor Bergman means to expreſs the proportionate quantities taken away from each metallic ſubſtance, when diſſolved by means of acids, and of courſe reduced to a calciform ſtate. The laſt column only expreſſes their attractions to this part of their phlogiſton, not to that which ſtill remains united to them in a calciform ſtate. W.

[56]. Opuſc. Vol. II. page 374–376.