vi] OF EVOLUTION 65 



species, on hybridity, on the modes of distribution of 

 plants and animals, and their consequent geographical 

 relations, and discussed the struggle of existence 

 going on everywhere in the organic world, in its 

 bearings on the question of ' centres of creation/ he 

 found the second volume growing altogether beyond 

 reasonable limits. His intense interest in this part 

 of his work is shown by his remark, ' If I have suc- 

 ceeded so well with inanimate matter, surely I shall 

 make a lively thing when I have chiefly to talk of 

 living beings 58 ?' 



By December 1831, Lyell had come to the resolu- 

 tion to publish the chapters of his work which dealt 

 with the changes going on in the organic world as 

 a volume by itself. This second volume of the 

 Principles he gracefully dedicated to his friend 

 Broderip, who had rendered him such valuable assist- 

 ance in all questions connected with Natural History. 



This volume appeared in January 1832, at the 

 same time that a second edition of the first volume 

 was also issued. The reception of the second volume 

 by the public appears to have been not less favourable 

 than that of the first. 



In March 1831, Lyell had accepted the Pro- 

 fessorship of Geology in King's College, London. 

 In addition to his desire to aid in the work of 

 scientific education, in which he had always taken so 

 great an interest, Lyell seems to have felt that the 



J. E. 5 



