. Clinical gyncology, medical and surgical. lia.—In polythelia the supernumerary nipples follow a linefrom the normal nipple downward and inward, or upward and , according to Wiedersheim, would correspond to the milk-line to bediscovered in the embryo of pigs. Bruce* among 207 men found per cent, of supernumerary nipples;among 104 women, per cent. Amnion8 among 2189 men found either 1 Duplay et Reclus, vol. vi. 2 Arehiv f. Klin. Chirurg., Band xlv. Heft 4. p. 883. 3 Journal of Anatomy and Physiology, London, 1890 and 1891, p. , 1879, p. 425. 6 Wiedersheim, Bau de
. Clinical gyncology, medical and surgical. lia.—In polythelia the supernumerary nipples follow a linefrom the normal nipple downward and inward, or upward and , according to Wiedersheim, would correspond to the milk-line to bediscovered in the embryo of pigs. Bruce* among 207 men found per cent, of supernumerary nipples;among 104 women, per cent. Amnion8 among 2189 men found either 1 Duplay et Reclus, vol. vi. 2 Arehiv f. Klin. Chirurg., Band xlv. Heft 4. p. 883. 3 Journal of Anatomy and Physiology, London, 1890 and 1891, p. , 1879, p. 425. 6 Wiedersheim, Bau des Menschen, 1893, p. 17. DISEASES OF THE FEMALE BREAST. 913 distinct nipples or indications of them in 114 cases, or in one out of everynineteen. Bardeleben found among 2430 men 76 cases of multiple nippleson the left side, 44 on the right side, and 31 on both sides,—in all 151cases, or per cent. All supernumerary nipples were below the normalbreast. In six or eight eases there were from three to four nipples on oneside. Fro. ~rZ:-/—.. - - - !_ - - ,?A Polythelia, showing ten nipples. (F. L. Neugebauer, Warsaw.) Micromazia.—Micromazia, or small breast, is a more frequent defectthan absence of the breast. Williams says it may affect one or both breasts,and mayor may not be accompanied by malformation of the chest-wall,muscles, or genital organs. According to Orth, it is more common on theright than on the left side. Delbet (op. ciL) says that breasts may remain seemingly normal untilpuberty, and then fail to develop on one or on both sides. Puech is citedby Delbet as suggesting that small breasts may be associated with aninfantile uterus. Cases of this sort are recorded by Virchow, Xegrcer, andRokitansky. Amazia.—Delbet says that absence of one breast is extremely rare,and has been observed only in women. It is accompanied at times by 1 Bardeleben, Vtrhandl. Anat. Gesell., Munchen, 1891, p. 249. 68 914 DISEASES OF THE FEMALE BREAST. deficiencies of the corresp
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