Conditions associated with tetany have an added interest just now because of the studies of MacCallum, Pfeffer, Mayer, Escherich and others on the parathyroids. The following case is, therefore, instructive:
History of Mother.
—A. M., aged 25. was seen June 8, 1908. She had been in the second stage of labor for twelve hours. Her physical condition was excellent except for the presence of a small thyroid enlargement. The goiter was about 12 cm. to the right of the midsternal line. Her pulse never rose above 84. The child's head was on the perineum. The fetal heart gave slight evidence of irregularity during pains, but was about 140 to the minute. About one and a half ounces of chloroform were administered and an unusually large boy delivered, uncorrected weight 14 pounds, corrected weight not less than 9% pounds. It was the largest baby I have ever delivered, the average weights