It is important that the boy, especially during adolescence, shall be kept from the contaminating influences of theatrical productions whose sex-appeal is conspicuous. The moving picture show, which fascinates children with its interest, is objectionable chiefly because of its connection with the cheap vaudeville so commonly associated with it. Few vaudeville “turns” have any ethical, moral, or intellectual value. They are, at best, ephemeral entertainment and frequently are so coarse as to be unmoral if not positively immoral in their persuasiveness. The sex excitation produced by the physical display of the partly clothed female, _risqué_ dialogues and suggestive songs which are common, in some degree, to a certain class of musical comedies, burlesques, and vaudeville shows is a potent reason for keeping the adolescent away from their influence. And it must be obvious that the sex-problem play is equally unsuited to his needs. As a guide to the subject matter and methods of sex-instruction the author appends a brief bibliography culled from the flood of literature on the subject. Much that has been published is good; some is bad and some is indifferent. The necessity for widespread sex-education has resulted in the formation of many societies whose primary object is the dissemination of knowledge on the subject through lectures and the publication of pamphlets designed for the education of the parent in how and when to impart sex-instruction to his child. Other pamphlets, graded according to the age of the reader, are to be placed in the hands of the boy himself. Such leaflets may be purchased from these societies for the few cents which they cost to publish, and samples are frequently issued gratuitously. Among the many pamphlets, leaflets, and circulars issued by the several societies for sex-hygiene, the following are suitable for the instruction of parents or may be placed in the hands of the boy himself if so indicated: AMERICAN FEDERATION FOR SEX HYGIENE. 105 West 40th St., New York City. “Report of the Special Committee on the Matter and Methods of Sex Education.” Thomas M. Balliet, Dean of the School of Pedagogy, New York University; Maurice A. Bigelow, Professor of Biology, Teachers College, Columbia University; Prince A. Morrow, M.D. 34 pp., December, 1912. Copies upon request. “The Teaching of Sex Hygiene.” Prince A. Morrow, M.D. Copies upon request. CALIFORNIA SOCIAL HYGIENE SOCIETY. U. S. Custom House, San Francisco, Cal. Four circulars as follows: “The Four Sex Lies.” 4 pp. “When and How to Tell the Children.” For parents. 7 pp. “The Secret of Strength.” For boys ten to thirteen years of age. 5 pp. “Virility and Physical Development.” For boys thirteen to eighteen years of age. 7 pp. Samples upon request with postage. COLORADO SOCIETY FOR SOCIAL HEALTH. 1434 Glenarm St., Denver, Colo.