[201] Rasis opera, Venetiis, 1508.

[202] Haly Abbas Pract., lib. v, cap. lxxviii.

[203] Ibid., cap. xxxiii.

[204] Serapionis practica, Venetiis, 1503.

[205] Avicennæ opera in re medica, Venetiis, 1564.

[206] Abulcasis de Chirurgia, lib. i, cap. xix, p. 47; Latin translation by Channing with the Arabic text in front, Oxford, 1778.

[207] Cap. xx, p. 47.

[208] Cap. xxi, p. 49.

[209] Zegi was the name given by the Arabs to blue vitriol.

[210] Lib. ii, cap. xxviii, p. 181.