CONTENTS 



Volume I 



PAGE 



Introduction ........ 1 



PART I 

 I. Wallace and Dabwin—Early Years . . 5 

 II. Early Letters (1854-62) 45 



PART II 



I. The Discovery of Natural Selection . . 89 



II. The Complete Extant Correspondence between 



Wallace and Darwin (1857-81) . . .127 



Volume II 

 PART III 



PAGE 



I. Wallace's Works on Biology and Geographical 



Distribution .... . . 1 



II. Correspondence on Biology, Geographical Dis- 

 tribution, ETC. (1864-93) .... 18 



III. Correspondence on Biology, Geographical Dis- 

 tribution, ETC. (1894-1913) .... 59 



