AGRICULTURE, BOTANY, FOOD, FORESTRY, HORTICULTURE, RECLAMATION, ETC.

EDWIN WEST ALLEN, PH.D.,

UNITED STATES DEPARTMENT OF AGRICULTURE, AND

ALFRED CHARLES TRUE, PH.D., UNITED STATES DEPARTMENT OF AGRICULTURE; E. H. SHINN (AGRICULTURAL EDUCATION); WALTER H. EVANS, PH.D. (BOTANY AND PLANT DISEASES); JOHN I. SCHULTE (CROP PRODUCTION); CARL W. LARSON (DAIRYING); WALTER H. BEAL (FERTILIZERS AND SOILS); HOWARD L. KNIGHT (FOOD AND NUTRITION; AGRICULTURAL LEGISLATION); J. E. WELLINGTON (HORTICULTURE AND FORESTRY); RAY P. TEELE (RECLAMATION); E. W. SHEETS (STOCK RAISING); AND WILLIAM A. HOOKER (VETERINARY MEDICINE). ANTHROPOLOGY (WITH ETHNOLOGY) ROBERT H. LOWIE, PH.D.,

AMERICAN MUSEUM OF NATURAL

AND

CLARK WISSLER, PH.D.,

HISTORY,

AMERICAN MUSEUM OF NATURAL HISTORY.

ARCHAEOLOGY

OLIVER SAMUEL TONKS., PH.D., PROFESSOR OF ART, VASSAR COLLEGE.

ARCHITECTURE

C. MATLACK PRICE,

FORMERLY EDITOR OF THE Architectural Record.

ASTRONOMY, METEOROLOGY EDGAR W. WOOLARD,

UNITED STATES WEATHER BUREAU.

CHEMISTRY; EXPOSITIONS; CELEBRATIONS

MARCUS BENJAMIN, PH.D., Sc.D., LL.D., EDITOR FOR THE UNITED STATES NATIONAL MUSEUM.

CIVIL ENGINEERING AND MANUFACTURING SUBJECTS; AERONAUTICS; ETC.

HERBERT TREADWELL WADE,

LATE CAPTAIN, ORDNANCE DEPARTMENT, U. S. ARMY.

DRAMA (AMERICAN AND ENGLISH)
OLIVER MARTIN SAYLER, M.A.,
DRAMATIC CRITIC, AUTHOR OF The Russian
Theatre under the Revolution.

ECONOMIC, SOCIAL AND POLITICAL
SCIENCE SUBJECTS
EDITORIAL STAFF.

EDUCATION IN THE UNITED STATES MILO B. HILLEGAS, PH.D.,

FORMERLY COMMISSIONER OF EDUCATION OF VERMONT.