To the Editor of the Journal:
Dear Sir:
—In Dr. Joseph Taber Johnson's paper, read before the Medical Society of the District of Columbia, and published in The Journal of March 13, he says, on page 288: "In the London Lancet, for February, 1878, Dr. M. O. Jones, of Chicago (who now resides in Pittsburgh, Pa.), published a paper on 'Vomiting of Pregnancy,' and advocated in certain cases the local application of the nitrate of silver to the os uteri as a cure. This mode of treatment could not have originated with Dr. Jones, as Dr. Marion Sims reported a case a number of years prior to Jones's paper "in which he cured a noble lady of Paris who had been given over to die by a number of eminent physicians, who had religious scruples against the induction of abortion. Sims reports that from the first application the relief was