CHAUNCEY P. COLGROVE, A.M., Sc.D.

HEAD OF THE DEPARTMENT OF PROFESSIONAL INSTRUCTION IN THE IOWA STATE
TEACHERS COLLEGE, CEDAR FALLS, IOWA

CHARLES SCRIBNER'S SONS

NEW YORK

CHICAGO

BOSTON

ANSFER OS

1821

371

ل

TO MY WIFE, EMMA RIDLEY COLGROVE, FORMERLY PROFESSOR
OF HISTORY IN THE IOWA STATE TEACHERS COLLEGE,

WHOSE HELP AND SYMPATHY HAVE BEEN MY CONSTANT EN-
COURAGEMENT, THIS BOOK IS

AFFECTIONATELY DEDICATED

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