On reading Dr. McKee's article in the Journal of the American Medical Association, page 253, Feb. 6, 1897, I was so impressed with its statements in regard to the etiology, treatment and non-frequency of the cases of congenital teeth, that it seemed to be my duty to register my personal experience in these cases. Dr. McKee says, "this freak of nature has been noticed at wide intervals and with great rarity for a long time." Also "these cases serve as a curiosity for doctors and students, and are a sight many do not see in a lifetime." I had not supposed these cases so rare or so much of a curiosity, for in a practice of thirty years, with a fair obstetrical clientage, I have attended three cases when there were two lower central incisor teeth at birth; and I never failed at these cases, or soon after, while it