Contributors to Volume XXII -- Continued
GARNER, JAMES WILFORD, Ph.D.

JERVIS, WILLIAM P.
Professor of Political Science, University of Illinois

Author of The Pottery Marks of the World," etc, POLITICAL SCIENCE

POTTERY
PRISONERS OF WAR

POTTERY, MANUFACTURE OF
PRIZE COURTS AND PRIZE JURIS-
DICTION

KAINS, M. G., B.S., B.S.A., M.S.A.
PUBLIC LAW

Horticultural Consultant
GEHRING, ALBERT, A.M.

PLANTS, FOOD OF
Author of “ The Appreciation of Music," etc.

KLEIN, HENRI F.
PIANOFORTE INSTRUCTION

Editorial Staff of the Americana
GUITERMAN, ARTHUR, B.A.

POLYNESIA
Author and Critic

KUNZ, GEORGE F., Ph.D., Sc.D.
PLAIN TALES FROM THE HILLS

Gem Expert, Tiffany & Co., New York City HAMMOND, WILLIAM A., Ph.D., LL.D.

PLATINUM
Sage Professor of Ancient Philosophy, Cornell

PRECIOUS STONES
University

LEWIS, BURDETTE G., A.B.
PLATO
PLATONISM

Commissioner of Department of Institutions and

Agencies, State of New Jersey
HANFORD, JAMES H., A.M., Ph.D.

PRISONS
University of North Carolina

LING, GEORGE H., Ph.D.
PRELUDE, THE

Dean of the Faculty of Arts and Science, University

of Saskatchewan HARRY, JOSEPH E., Ph.D.

PROBABILITY
Author of "The Greek Tragic Poets," etc.
PROMETHEUS BOUND

McVEA, EMILIE WATTS, A.M., Litt.D.

President Sweet Briar College, Virginia
HARTMANN, JACOB WITTMER, Ph.D.
Assistant Professor, Department of German

POE, EDGAR ALLAN
Language and Literature, College of the City
of New York

MATHEWS, JOHN M., A.B., Ph.D.
GEORGE

Associate Professor of Political Science, University

of Illinois HODGE, F. W.

POLITICAL PARTIES AND THE WORLD Washington, D. C.

WAR PUEBLO INDIANS

MOORE, J. PERCY
HOLLAND, W. J., Ph.D., Sc.D., LL.D.

University of Pennsylvania
Director Carnegie Museum, Pittsburih

PIGEON
PITTSBURGH, PA.

MORE, PAUL E., LL.D., Litt.D.
INGERSOLL, HELEN

Author of Life of Benjamin Franklin," etc.
Naturalist

PLATO'S REPUBLIC
PLANTS, ORNAMENTAL

MORRIS, EDWARD PARMALEE, L.H.D., ISAACS, EDITH J. R.

Litt.D.
Critic and Essayist

Professor of Latin Language and Literature, Yale

University PROBLEMATISCHE NATUREN

PLAUTUS
JELLIFFE, SMITH ELY, M.D., Ph.D.

MOSES, ALFRED J., E.M., Ph.D.
Professor of Psychiatry, Fordham University, New
York

Professor of Mineralogy, Columbia University POLIOMYELITIS

PHYSICAL CRYSTALLOGRAPHY
PSYCHOANALYSIS

MOSES, MONTROSE J., B.S.
JERNEGAN, MARCUS W., Ph.D.
Associate Professor of History, University of

Author and Translator
Chicago

PIPER, THE
PIERCE, FRANKLIN

PLEKHANOFF,