The Natural History of Pliny, Volume 6 (of 6) by the Elder Pliny

40. It is our red ochre, peroxide of iron, mixed in a greater or less

degree with argillaceous earth. [1008] See B. xxix. c. 8; where he speaks of the mistake made by the physicians in giving mineral vermilion or minium to their patients instead of Indian cinnabar. The latter substance is probably identical with that which is now used for varnishes, being imported from India, and still known as “dragons’ blood,” the resin of the Ptero-carpus draco, or Calamus palm. [1009] In B. viii. c. 12. [1010] In Chapter 41. [1011] The dragon’s blood, mentioned in the preceding Chapter. [1012] “Single colour paintings.” See B. xxxv. cc. 5, 11, 34, 36. [1013] Mentioned in Chapter 37. [1014] The “miltos” of the preceding Chapter. See Note 1007 above. [1015] In B. xxxv. c. 13, _et seq._ [1016] He is here speaking of our cinnabar, or vermilion, mentioned in