Mr. OLDENBURG being absent, Mr. WATERHOUSE read an extract, which the former had received from Paris, signifying that it was most certain, that Dr. DE GRAAF had unravelled testicles, and that one of them was kept by him in spirit of wine. Some of the physicians present intimating, that the like had been attempted in England many years before, but not with that success, that they could yet believe what Dr. DE GRAAF affirmed.