CONTENTS 



i 



PAGE 

 THE DARWINIAN HYPOTHESIS [1859] 1 



II 



THE ORIGIN OF SPECIES [1860] 22 



III 



CRITICISMS ox "THE ORIGIN OF SPECIES" [1864] ... 80 

 IV 



THE GENEALOGY OF ANIMALS [1869] 107 



V 



MR. DARWIN'S CRITICS [1871] 120 



VI 



EVOLUTION IN BIOLOGY [1878] 187 



VOL. II b 



