still hovered beyond him. He recognized that he had made no step toward
its solution, and was forced to confess with the philosophers of all
ages that

"We are such stuff
As dreams are made on, and our little life
Is rounded with a sleep."




CONTENTS


I. THE BREATH OF LIFE 1

II. THE LIVING WAVE 24

III. A WONDERFUL WORLD 46

IV. THE BAFFLING PROBLEM 71

V. SCIENTIFIC VITALISM 104

VI. A BIRD OF PASSAGE 115

VII. LIFE AND MIND 131

VIII. LIFE AND SCIENCE 159