I v MODERN E VOL UTION 1 7 5 



Quarterly Review. (Intellectual Evo- 

 lution.) 

 1855. July. Principles of Psychology. (Mental 



Evolution in general.) 

 1857. April. 'Progress: its Law and Cause': 



Westminster Review. (Evolution at 



large.) 

 1857. April. 'Ultimate Laws of Physiology.' 



National Review. (Another factor of 



Evolution at large.) 



1 From these last two Essays came the inception 

 of the Synthetic Philosophy. The first programme 

 of it was drawn up in January 1858.' . . . 



When seeing Mr. Spencer on the subject of this 

 letter, he took the further trouble to point out 

 certain passages in the essays originally comprised 

 in the one volume edition of 1858 which contain 

 germinal ideas of his synthesis. That they were 

 his selection adds to the interest and value of their 

 quotation. 



' That Law, Religion, and Manners are thus 

 related that their respective kinds of operation 

 come under one generalisation that they have in 

 certain contrasted characteristics of men a common 

 support and a common danger will, however, be 

 most clearly seen on discovering that they have a 

 common origin. Little as from present appearances 

 we should suppose it, we shall yet find that at first, 

 the control of religion, the control of laws, and the 

 control of manners, were all one control. However 

 incredible it may now seem, we believe it to be 

 demonstrable that the rules of etiquette, the pro- 



