THE

FOUNDATIONS OF ZOOLOGY

BY

WILLIAM KEITH BROOKS, PH.D., LL.D.

PROFESSOR OF ZOOLOGY IN THE JOHNS HOPKINS UNIVERSITY

PUBLISHED FOR THE COLUMBIA UNIVERSITY PRESS BY

THE MACMILLAN COMPANY

LONDON: MACMILLAN & CO., LTD.

1899

All rights reserved

WHERE I LEARNED TO STUDY, AND, I HOPE, TO PROFIT BY

BUT NOT TO BLINDLY FOLLOW, THE WRITINGS OF THAT

GREAT THINKER ON THE PRINCIPLES OF SCIENCE

GEORGE BERKELEY

I HAVE, BY PERMISSION, DEDICATED THIS BOOK

143072

A NOTE ON THE VIEWS OF GALTON AND WEISMANN ON INHERITANCE

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