subtilitatum

Updated: March 28, 2026

The first work consists of nine books, treating of plants, elements, trees, stones, fishes, birds, quadrupeds, reptiles, and metals, and is printed in Migne's "Patrologia," under the title "Subtilitatum Diversarum Naturarum Libri Novem."

James J. (James Joseph) Walsh - Old-Time Makers of Medicine: The Story of The Students And Teachers of the Sciences: Related to Medicine During the Middle Ages