Note 400 — IV On the Virtues of Fabulous Stones, Concretions and Fossils
Reading edition
De Boot, “Gemmarum et lapidum historia,” ed. Toll, Lug. Bat., 1647, p. 410; lib. ii, cap. ccxxvii, and also De Laet, “De gemmis et lapidibus,” Lug. Bat., 1647, p. 138.