[1879] See B. xxxiii. cc. [56], [57].
[1880] A white earth from the Isle of Melos. See Chapter [19].
[1881] See B. xxxiii. c. [20]. “One may readily conceive that this must have been a ferruginous ochre, or kind of bole, which is still used as a ground, poliment, assiette.”—Beckmann, Hist. Inv. Vol. II. p. 294. Bohn’s Edition.
[1882] A white, much used for fresco painting. Ajasson is of opinion, that Pliny, in this Chapter, like the other ancient authors, confounds two earths that are, in reality, totally different.—Hydrosilicate of magnesia, or Steatite, and Rhomboidical carbonate of lime.
[1883] See B. v. c. 6.
[1884] Ajasson thinks that possibly our compact magnesite, meerschaum, or sea-foam, may be the substance here alluded to.
[1885] See Chapter [57] of this Book.
[1886] See B. iv. c. 33. Tournefort says that this earth is exactly similar to the Cimolian earth, described in Chapter [57].
[1887] See B. xxxiii. c. [57], and Chapter [21] of this Book.