Mother Nature and Her Helpers, 104, 107.

Motion-pictures, 6, 19, 72.

Muscular activity, importance of, 155-58.

Nature study, 92.

Nervous system, stability of, 154-58.

Newspapers, 79.

New York, report on women’s wages in, 56, 59.

Noguchi, his test of the syphilis microbe, 38.

Normal schools, instruction in sex relations to begin in, 3;
  sex education for teachers to be given in, 192.

Novels, 7.

Opiates, 63.

Orders, social, 77, 80.

Oregon, surveys made by the Consumers’ League in, 52, 53.

Oregon Social Hygiene Society, 151, 195 n.

Paralysis, 32, 34.

Parenthood, 180, 181.

Parents, confidence between child and, in matters of reproduction,
    89-92, 110-22;
  meetings for, 122-26.
  See Instruction.

Paresis, 32.

Parties, social, 78.

Passion, controlled by love, 174-78;
  by religious fervor 176.

Patten, Prof.  Simon N., quoted, 51.

Pessimism, 173.

Philadelphia, report on women’s wages in, 56, 59.

Physical exercise, 138, 139.
  See Play.

Physiological phases of immorality, 13-15, 25-31;
  instruction in physiology of reproduction, 25;
  the sex impulse, 26-28;
  belief in physiological necessity of gratification, 28-31, 33, 99,
    146, 176, 198;
  bibliography, 204, 205.

Physiology, study of, 93.

Picture post-cards, 19.

Play, 81-83, 87, 88.

Playgrounds, 81-83.

Pool-halls, 74.

Portland, Ore., women’s wages in, 52, 53;
  attendance at moving-picture shows in, 72.

Portland, Ore., Municipal Employment Bureau, 64.

Portland, Ore., Vice Commission, 57, 60.

Priests, not competent to give instruction in sex relations, 3.

Problem plays, 6.

Property, used for immoral purposes, 17.

Prostitutes, what is to be done with them, 14;
  status of, 65.
  See Prostitution.

Prostitution, past efforts to deal with, 1, 3;
  physiological factors of, 13-15, 25-31;
  medical phase of, 15, 16;
  economic phases of, 16-18;
  commercialized, 17, 18, 195;
  and recreational pursuits, 19;
  legal phases of, 20, 21;
  and public education, 21-23;
  moral and religious aspects of, 23;
  biological aspect of, 23.
  See Social emergency.

Psychic therapy, 160.

Public opinion, relation of, to public education and to law enforcement, 21.

Quack doctors, 7, 18, 30, 130, 145, 199.

Recreation centers, 81-88.

Recreation movement, 81-83.

Recreational phases of the social emergency, 19, 70-83;
  bibliography, 207.

Regimen for boys, 87, 88, 137.