The tryal of Spencer Cowper, Esq, John Marson, Ellis Stevens, and William Rogers, gent. upon an indictment for the murther of Mrs. Sarah Stout, a Quaker : before Mr. Baron Hatsell, at Hertford assizes, July 18, 1699 : of which they were acquitted : with the opinions of the eminent physicians and chyrurgeons on both sides, concerning drowned bodies, delivered in the tryal and the several letters produced in court.