occurs thrice only a few lines below, which explains Chaucer's mistake. We find 'Titan Magnesia' in Ashmole's Theat. Chem. p. 275; cf. pp. 42, 447. The Gk. τίτανος means lime, gypsum, white earth, chalk, &c.
1457. ignotum per ignotius, lit. an unknown thing through a thing more unknown; i. e. an explanation of a hard matter by means of a term that is harder still.
1460. The theory that all things were made of the four elements, earth, air, fire, and water, was the foundation on which all alchemy was built; and it was the obstinacy with which this idea was held that rendered progress in science almost impossible. The words were used in the widest sense; thus air meant any vapour or gas; water, any liquid; earth, any solid sediment; and fire, any amount of heat. Hence also the theory of the four complexions of men; for even man was likewise composed of the four elements, under the influence of the planets and stars. See Gower, Conf. Amant. bk. vii; Theat. Chem. iii. 82; iv. 533, 537; and the note to A. 420, at p. 40 above.
1461. rote represents the Lat. radix. In the Theat. Chem., ii. 463, we read that the philosopher's stone 'est radix, de quo omnes sapientes tractauerunt.'
1469. 'Except where it pleases His Deity to inspire mankind, and again, to forbid whomsoever it pleases Him.'
1479. terme of his lyve, during the whole term of his life.
1481. bote of his bale, a remedy for his evil, help out of his trouble.
NOTES TO GROUP H.