This is the third article in an 12-part series. For Part I, "Introduction" see Nov. 17, 1912, for Part II, "Girlhood, 1," see Nov. 24, 1912, for Part IV, "Puberty, 1" see Dec. 8, 1912, for Part V,"Puberty 2" see Dec. 15, 1912, for Part VI, "Sexual…
