CONTENTS 



PAGE 



INTRODUCTION 5 



KNOW THYSELF 17 



THE HIGHER USEFULNESS OF SCIENCE ... 49 



1. THE MORAL ACCOUNTABILITY OF SCIENCE . 49 



2. How SCIENCE MAY MEET ITS MORAL OBLI- 



GATIONS 56 



BIOLOGY'S CONTRIBUTION TO A THEORY OF MORALS 



REQUISITE FOR MODERN MEN ... 91 



THE PLACE OF DESCRIPTION, DEFINITION AND CLAS- 

 SIFICATION IN PHILOSOPHICAL BIOLOGY . 105 



1. SCIENTIFIC AND LOGICAL ASPECT . . . 105 



2. PHILOSOPHICAL AND ETHICAL ASPECT . .126 



INDEX 137 



