AN ESSAY
ON
LAUGHTER
ITS FORMS, ITS CAUSES, ITS DEVELOPMENT AND ITS VALUE
BY
JAMES SULLY, M.A., LL.D.
AUTHOR OF “THE HUMAN MIND,” “STUDIES OF CHILDHOOD,” ETC.
LONGMANS, GREEN, AND CO.
39 PATERNOSTER ROW, LONDON
NEW YORK AND BOMBAY
1902
TO
MY CHILDREN AND MY PUPILS
IN THE HOPE
THAT IF THEY CULTIVATE BOTH BRAIN AND HEART,
AND HAVE A QUICK EAR FOR
THE MUFFLED MOANINGS ALONG THE ROAD,
THEY MAY HEAR ALSO,