[2247] Sulphur has been always considered highly useful for the cure of cutaneous affections.
[2248] From ἅρπαζω, “to carry away.”
[2249] Ovid, in his “Art of Love,” speaks of purifying houses with eggs and sulphur.
[2250] See B. xxxi. c. 32.
[2251] There are three distinct kinds of bitumen. 1. Naphtha, also known as petroleum, or rock-oil, inflammable, volatile, soluble in alcohol, and found in France and Italy. 2. Asphalt, or bitumen of Judæa, solid, insoluble in alcohol, and found in Lake Asphaltites in Syria, more particularly. 3. Pissasphalt, of a medium consistency between the other substances, of which it appears to be composed. See B. xxiv. c. 25.
[2252] In B. v. c. 15.
[2253] Naphtha, most probably.
[2254] See B. xxiv. c. 25.
[2255] Chapter 109.
[2256] As to the “nitrum” of Pliny, see B. xxxi. c. 46.