To the Editor:
—In the summer of 1914, while on a medical pilgrimage originally planned for European centers, but unexpectedly diverted to Boston (I was one of those who took passage on the North German Lloyd steamer Kronprinzessin Cecilie for Plymouth, England, July 29, and the impending outbreak of war, August 3, determined a change of course of this vessel westward to Bar Harbor), I chanced to be in the office of Dr. George Shattuck, where, in looking over an edition of Dr. Benjamin Rush's "Medical Inquiries and Observations," which he had just acquired, my attention was drawn to the following case history appearing under the caption, "An Account of the Cure of Several Diseases by the Extraction of Decayed Teeth":Some time in the month of October, 1801, I attended Miss A. C., with a rheumatism in her hip joint, which yielded for awhile to the several remedies for