[1649] Meaning “Substitute for spodos.”
[1650] See B. xxiii. cc. 38, 63.
[1651] See B. xxi. c. 26, and B. xvi. c. 20.
[1652] See B. xxi. c. 95.
[1653] See B. xi. c. 94.—B.
[1654] “Detersive composition.”
[1655] From Δὶς φρυγέσθαι.—“being twice calcined.”—B.
[1656] The Scoriæ, Cadmia, and Flos, which are described in Chapters [22], [23] and [24].—B.
[1657] A Roman coin, equal to the third part of the “as.”—B.
[1658] We most fully coincide with Pliny in this sentiment, but we are constrained to differ from him in giving credit to the alleged fact, as he appears to have done.—B.