classes, 46.

PEACE, as a type of accommodation, 703-6.

PERIODICALS, SOCIOLOGICAL: _bibliography_, 59-60.

PERSON:
_bibliography_, 150-52, 273-74;
effect of city upon, 329;
and his wishes, 388-90;
as an individual with status, 55.
_See_ Personality, Status.

PERSONALITY:
_bibliography_, 149-52;
alterations of, 113-17;
classified, 146;
as a complex, 69, 110-13;
conscious, 490;
defined, 70, 112-13;
defined in terms of attitudes, 490;
disorganization of, and mental conflict, 628;
dissociation of, 472-75;
effect of isolation upon, 233-39, 271-73;
and the four wishes, 442-43;
and group membership, 609;
harmonization of conflict, 583-84;
of individuals and peoples, 123-25;
investigation of, 143-45;
as the organism, 108-10;
shut-in type of, 272;
and the social group, 48;
study of, 271-73;
and suggestion, 419-20;
types of, determined by the group, 606-7.
_See_ Individual, Person, Self, Status.

PERSONS, defined, 55;
as "parts" of society, 36;
product of society, 159.

PHILOSOPHY, and natural science, 4.

PITTSBURGH SURVEY, 315, 724.

PLANT COMMUNITIES. _See_ Communities.

PLAY: as expressive behavior, 787-88.

POLITICS:
_bibliography_, 940;
comparative, Freeman's lectures on, 23;
as expressive behavior, 787-88;
among the natural sciences, 3;
as a positive science, 3;
shams in, 826-82.

POVERTY. _See_ Defectives, dependents, and delinquents.

PRESTIGE:
with animals, 809-10;
defined, 807;
and prejudice, 808-9;
in primitive society, 810-11, 811-12;
in social control, 807-11, 811-12;
and status in South East Africa, 811-12.
_See_ Leadership, Status.

PRIMARY CONTACTS. _See_ Contacts, primary.

PRINTING-PRESS, _bibliography_, 427.

PRIVACY:
defined, 231;
values of, 231.

PROBLEMS, ADMINISTRATIVE:
practical and technical, 46.

PROBLEMS, HISTORICAL:
become psychological and sociological, 19.

PROBLEMS OF POLICY:
political and legislative, 46.

PROBLEMS, SOCIAL:
classification of, 45, 46;
of the group, 47.

PROCESS, historical, 51;
political, as distinguished from the cultural, 52-54.

PROCESS, SOCIAL:
defined, 51;
and interaction, 36, 346;
natural, 346-48, 420-21;
and social progress, 51-55.

PROGRESS:
_chap. xiv_, 952-1011;
_bibliography_, 57-58, 1004-10;
as the addition to the sum of accumulated experience, 1001-2;
concept of, 962-63, 965-73;
and cons