a. Sports 33 b. Productive Employment 34 B. Society 35 C. Religion 36 Chapter III. ANATOMY AND PHYSIOLOGY OF THE MALE GENITAL ORGANS. 1. Anatomy 39 a. The Penis 39 b. The Testes 41 c. The Spermatozoon 44 d. The Epididymis 44 e. The Seminal Vesicles 45 f. The Prostate Gland 45 2. Physiology 46 a. Urethra 46 b. Cowper's Glands 46 c. The Prostate Gland 48 d. The Seminal Vesicles 48 e. Testes 55 3. Virility 60 Chapter IV. SEXUAL HYGIENE OF THE ADOLESCENT MALE. 1. Illicit Intercourse with Women 74 a. Chancroid or Soft Chancre 78 b. Gonorrhea 79 c. Syphilis 80 2. Masturbation 84 3. Continence 90 Chapter V. HYGIENE. 1. Diet 95 a. Choice of Food 95 b. Stimulants and Narcotics 97 c. The Dietetic Control of the Bowels 104 d. The Dietetic Control of Sleep 110 e. The Dietetic Control of the Kidneys and Skin 111 f. The Dietetic Method of Curing a Cold 111 2. Baths 112 a. The Bath for Cleanliness