in B ABB AGE'S SUGGESTION 149 



with the assumption that what we call 

 ordinary generation has since in the 

 first creations it was originally started on 

 its way been the only and the invari- 

 able instrumentality employed in the 

 development of species. And not 

 only would this idea square with the 

 apparently sudden appearance of new 

 species, repeated over and over again 

 throughout the geological ages, but, 

 more important still, it would harmonise 

 with those intellectual instincts and con- 

 ceptions of our mental nature to which 

 the idea of chance is abhorrent, and 

 which demand for an orderly progression 

 in events some regulating cause as con- 

 tinuous and as intelligible as itself. 



Mr. Spencer refers, as others now 

 continually do, to the recent discoveries 

 in America which have revealed a re- 

 markably continuous series of specific 

 forms leading up to that highly special- 



