To appreciate their merits. In treating.

Practica. 15. Speculum Alchymiæ. 16. Carmen. 17. Questiones ad Bonifacium. 18. Semita Semitæ. 19. De Sulphure et fermento Philosophorum. 20. De Sanguine Humano. 21. De Spiritu Vini, Vino Antimonii.