Histoire De La Philosophie Hermétique : Accompagnée d'un Catalogue raisonné des Ecrivains de cette Science ; Avec le Véritable Philalethe, revû sur les Originaux. 3

this learned Philosopher. I had spoken of them in the Catalogue, but without giving the details.

Philosophical Discourses treating the two wonders of Art and Nature, by Robert Prudhomme, in-12. Paris. 1669. A little book, not common, and which I have never seen, thus I do not know if it is good.

George Starkey, Pyrotechnie Pyrotechnics, in-12. Frankfurt. 1711. They were not satisfied with translating this work from English into French; here it is again in German, which shows that it is sought after. It is known that George Starkey was very close in America to the Philalethes; but he had too little conduct and too much imprudence to profit from this connection, which could have been very advantageous to him.

Several rare and curious secrets for the healing of diseases, by Quesnot, in-12. Paris. 1708. There are in these Secrets some curious and interesting procedures concerning metallurgy.

Regio Salutifera, id est, prima & universalis materia, chaos naturæ Health-bringing Region, that is, the first and universal matter, chaos of nature, in-8°. Frankfurt. 1708. In German. This is what the Hermetic Philosophers seek; but few find it.

Jean Rey, Essai sur la Recherche de la cause, pour laquelle l'Estain & le Plomb augmentent de poids, quand on les calcine Essay on the Research into the cause for which Tin and Lead increase in weight when one calcines them, in-8°. at Bazas. 1630. A rare book. It is a known experience that the lime of these