XI PHENOMENA OF ORGANIC NATURE 475 



made to biological science since the publication of 

 the " Regne Animal " of Cuvier, and since that 

 of the " History of Development," of Yon Baer. 

 I believe that if you strip it of its theoretical part 

 it still remains one of the greatest encyclopaedias 

 of biological doctrine that any one man ever 

 brought forth ; and I believe that, if you take it 

 as the embodiment of an hypothesis, it is destined 

 to be the guide of biological and psychological 

 speculation for the next three or four genera- 

 tions. 



END OF VOL. II. 



