CONTENTS 



i 



PAGE 



THE DARWINIAN HYPOTHESIS [1859] 1 



II 



THE ORIGIN 0V SPECIES [1860] ... 22 



III 



CRITICISMS ON " THE ORIGIN OK 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 



