A GLANCE at the table of contents of this volume will make
it evident to the reader that it deals principally with
problems of Psychology. A book that contains on its title-
page the word "Æsthetics" will, however, be expected to
appeal in some manner to the artist. The psychologist
needs no other incentive than the scientist's curiosity to
lead him to look through the pages which follow, provided he
finds indications that his science is aided in any manner.
But the artist, at the mere mention of psychology, will be
apt to lay the book aside; and as I have some faint hope
that I may help him or the cause which he has most at
heart, I must beg him, even if he go no farther, to give a
hearing to this introduction, in which I shall try to state as
briefly as possible my notion of the relation that exists
between art and science. This statement will indicate the
point of view taken in the work to follow, and will bring
into emphasis some facts which seem to me to be valuable
to both artist and scientist.

That a sentiment of antagonism exists between the
average artist and the average scientist I think must be
taken for granted, and I shall ask why it exists, and whether
it is reasonable. Is there not some misunderstanding be-

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