An ectopic ureteral orifice, i. e., the location of one or more ureteral openings in a position outside the bladder, while infrequent, is no longer regarded as a medical curiosity or as a rare finding. Furthermore, the poor hygiene and subsequent mental anguish over the "wetness" caused by this anomaly can usually be remedied if the correct diagnosis is made and competent treatment carried out. On the other hand, if the malformation is overlooked, incompletely evaluated, or improperly treated, poor or discouraging results will be obtained. For these reasons, familiarity with the varied clinical pictures observed in patients with this anomaly and with the basic embryological deviations responsible for it, is of importance to both the pediatrician and the urologist in order to enable either of them to suspect the malformation promptly, to interpret the various clinical findings correctly, to outline a thorough clinical evaluation, and to select the best