188 HEREDITY. 



president of Harvard University, who has opposed 

 all his life propositions very dear to most of us, 

 indorses this lectureship ; when the Dean of Can- 

 terbury, and " The London Quarterly Review," and 

 " The Princeton Review," and " The Bibliotheca 

 Sacra," — I beg pardon, I am making a sad ado 

 over nothing, — come forward, and support an ex- 

 periment, a novelty, — I think that these, too, are 

 signs of the times ; and that, in the sky behind the 

 sky, there is a little thunder also. [Applause.] 



Lotze's doctrine is in perfect conformity with the 

 modern theory of the conservation of force ; and yet 

 he never teaches that the motions of matter are 

 transmuted into thought. Matter and spirit act 

 upon each other through the supersensible reality 

 which is in each. Lotze of course rejects what 

 Hackel calls Monism, or the hypothesis that there is 

 but one substance in the universe, with such proper- 

 ties that we can explain by it both matter and spirit. 

 He distinguishes between the soul and the vital force* 

 He affirms that the attempt to transform mental and 

 moral science into a physical natural science is "a 

 mere manner of speaking, signifying nothing ; or else 

 is equivalent to the pretence of understanding by 

 the eyes, and seeing by the ears." He rejects the 

 form of materialism defended by Professor Bain, and 

 which asserts that matter is a double-faced some- 

 what, having a spiritual and physical side. 



The distinction between the philosophy of Lotze 

 and that of Hackel and Bain is a subject worthy of 

 the attention of all scholars ; for the subtler forms of 



