270 SCIENCE AND PHILOSOPHY OF THE ORGANISM 



variation as the only way in which new properties of the 

 organisms might have arisen has proved to fail in the most 

 marked manner, except perhaps for a few merely quantitative 

 instances. Such a result betokens the complete collapse of 

 dogmatic Darwinism as a general theory of descent : the 

 most typical features of all organisms remain as unexplained 

 as ever. 



What then shall we put in the place l58|Bure Darwinism ? 

 Let us first try a method of explanation which was also 

 adopted occasionally by Darwin himself: let us study that 

 form of transformation theories which is commonly known 

 under the title of Lamarckism. 



