This case of ovarian pregnancy is of interest, not only because of the rarity of this condition (there being but seventy-two cases on record), but because of the lack of symptomatology referable either to ovarian disease or to pregnancy, there being no pain or intermenstrual bleeding, and conception taking place in the presence of bilateral pyosalpinx. The majority of cases reported show definite symptoms pointing to ovarian disease, whereas the only symptom of any significance here is the rapid pulse. Anatomically, the relationship of tube, ovary and uterus was not greatly disturbed, and the tube and its fimbriated end could be easily distinguished from the ovary. REPORT OF CASE History. —E. R., a woman, aged 23, entered the hospital, May 19, 1922, because of severe generalized pelvic distress with profuse purulent vaginal discharge. The temperature was 100.4 F.; the pulse, 128; the respiration, 20. The patient was taken ill, May