DARWIN AND DESCENT. 233 



" It may be asked how far I extend the doctrine of 

 the modification of species" (p. 482). 



Again : — 



" Analogy would lead me one step further, namely, 

 to tlie belief that all animals and plants have de- 

 scended from some one prototype. . . . Therefore I 

 should infer from analogy that probably all the orga- 

 nic beings which have ever lived on this earth have 

 descended from some one primordial form, into which 

 life was first breathed." 



From an amoeba — Adam, in fact, though not in name. 

 This last sentence is now completely altered, as well it 

 might be. 



Again : — • 



" When the views entertained in this volume on the 

 origin of species, or when analogous views are generally 

 admitted, we can dimly foresee that there will be 

 a considerable revolution in natural history " (p. 



434)- 



Possibly. This now stands, " When the views ad- 

 vanced by me in this volume, and by Mr. Wallace, 

 or when analogous views on the origin of species are 

 generally admitted, we can dimly foresee," &c. When 

 the " Origin of Species " came out we knew nothing 

 of any analogous views, and Mr. Darwin's words 

 passed unnoticed. I do not say that he knew they 

 would, but he certainly ought to have known. 



Again : — 



" A grand and almost untrodden field of inquiry will 

 he opened, on the causes and laws of variation, on 

 correlation of growth, on the effects of use and disuse, 



