Caustics are orpiment, copperas, chalcitis, misy, verdigrease, lime, burned paper(28), salt, copper scales, burned lees, myrrh, dung of a lizard, and pigeon, and ring-dove, and swallow, pepper, gnidian berry, garlick, diphryges, both the milks mentioned in the last chapter, hellebore both white and black, cantharides, coral, pellitory, frankincense, salamander, rocket, sandarach, stavesacre, chrysocolla, ochre, scissile alum, sheep’s dung, flower of wild vine.