esident of University of
Texas. Author of _Ethics, Descriptive and Explanatory_

III GENERAL PRINCIPLES OF COLLEGE TEACHING 43
By PAUL KLAPPER, Ph.D. Associate Professor of Education, The
College of the City of New York. Author of _Principles of
Educational Practice_, _The Teaching of English_, etc.

PART TWO--THE SCIENCES

IV THE TEACHING OF BIOLOGY 85
By T. W. GALLOWAY, Ph.D., Litt.D. Professor of Zoology,
Beloit College. Author of _Textbook of Zoology_, _Biology of
Sex for Parents and Teachers_, _Use of Motives in Moral
Education_, etc.

V THE TEACHING OF CHEMISTRY 110
By LOUIS KAHLENBERG, PH.D. Director of the Course in
Chemistry and Professor of Chemistry, University of
Wisconsin. Author of _Outlines of Chemistry_, _Laboratory
Exercises in Chemistry_, _Chemistry Analysis_, _Chemistry
and Its Relation to Daily Life_, etc.

VI THE TEACHING OF PHYSICS 126
By HARVEY B. LEMON, Ph.D. Assistant Professor of Physics,
University of Chicago

VII THE TEACHING OF GEOLOGY 142
By T. C. CHAMBERLIN, Ph.D., LL.D., Sc.D. Professor and Head
of Department of Geology and Director of Walker Museum,
University of Chicago. Author of _Geology of Wisconsin_,
_The Origin of the Earth_. Editor of _The Journal of Geology_

VIII THE TEACHING OF MATHEMATICS 161
By G. A. MILLER, Ph.D. Professor of Mathematics, University
of Illinois. Author of _Determinants_, _Mathematical
Monographs_ (co-author), _Theory and Applications of Groups
of Finite Order_ (co-author), _Historical Introduction to the
Mathematical Literature_, etc. Co-editor of _American Year
Book_ and _Encyclopedie des Sciences Mathematiques_

IX PHYSICAL EDUCATION IN THE COLLEGE 183
By THOMAS A. STOREY, M.D., Ph.D. Professor of Hygiene, The
College of the City of New York. State Inspector of Physical
Training, New York. Secretary-General, Fourth International
Congress of School Hygiene, Buffalo, 1913. Executive-Secretary,
United States Interdepartmental Social Hygiene Board. Author
of various contributions to standard works on physiology,
hygiene, and p