X. Extracts of two letters from Mr. James Latterman, student in physic and sur­gery, to Dr. Schlosser, now residing in London, concerning the effects of the aga­ric of the oak, after some of the most ca­pital operations in surgery. To which are added, some remarkable experiments made upon the arteries of Horses, with the pow­der of the lycoperdon, or lupi crepitus; by Monsieur La Fosse, Farrier to the King of France. Communicated by Mr. Joseph Warner, F. R. S. Surgeon to Guy's-Hospital

Dr. Latterman informs Dr. Schlosser of his having made application to Monsieur Audouillet, Monsieur Moreau, and to many other surgeons of note, to know upon what subjects, and how often, they have made use of the agaric of of the oak.