CONTENTS 



BOOK I. 



CHAP. PAOB 



I. THE STRUGGLE FOR EXISTENCE ... 3 



II. NATURAL SELECTION, OR THE EVOLUTIONAL VALUE 



OF THE INDIVIDUAL VARIATION . . 60 



BOOK II. 



I. THE MALTHUSIAN THEORY . . . .115 



II. THE LAW OF POPULATION .... 146 



III. THE LAW OF POPULATION ILLUSTRATED . . 169 



IV. RETROSPECT AND FORECAST . . . .199 



V. THE STRUGGLE FOR EXISTENCE 226 



xxi 



