No structure of equal pathological interest and of such vital clinical importance to the medical profession was so long and so persistently neglected as the Fallopian tube. In the older medical literature it received only the briefest mention, and then the reference was most superficial. Little attention was given its anatomy or physiology, while its histology was wholly neglected. Nothing was known of its pathology and no symptoms were attributed to diseases of this important structure. What a marvelous development in pathological interest and clinical importance during recent years! Careful research will disclose the fact that generations ago the clinicians described disease in the Fallopian tube, but through lack of both anatomical and pathological precision their teaching made practically no modification in either the medical thought or practice of the day. Perhaps the first well-authenticated account of a discussion of the Fallopian tube and its diseases was in the year