A letter addressed to Cæsar Hawkins, Esq; serjeant surgeon to His Majesty : Containing new thoughts and observations, on the cure of the venereal disease; the result of experience, in long and extensive practice. With a few extraordinary cases in that disease: particularly one of a servant, belonging to His Majesty's houshold; deemed entirely a lost case: authenticated by the officers of His Majesty's mews. By Charles Hales, late surgeon to the savoy hospital.