CONTENTS


Volume I


INTRODUCTION


PART I

I. WALLACE AND DARWIN--EARLY YEARS

II. EARLY LETTERS (1854-62)


PART II

I. THE DISCOVERY OF NATURAL SELECTION

II. THE COMPLETE EXTANT CORRESPONDENCE BETWEEN WALLACE AND DARWIN
(1857-81)


Volume II


PART III

I. WALLACE'S WORKS ON BIOLOGY AND GEOGRAPHICAL DISTRIBUTION