324 NATUEE STUDIES. 



memory, rather than to allow that anything has been 

 adduced in this account of what (to say the least) 

 must be regarded as superficially-conducted experi- 

 ments, to warrant a recognition of any novelty, or by 

 consequence to stand in need of explanation by a 

 theory of 'brain-waves/ " 



The spirit of extreme caution here indicated is 

 altogether sound; the objection to novelty, as such,, 

 is as entirely unsound. Nothing could prove that 

 mind acts on mind if Professor Donkin's principle 

 were accepted in its full extent. The theory might 

 be established so far as he himself was concerned, by~ 

 an experience of his own, but no one else would be 

 bound to accept it, and it cannot possibly be proved 

 to each person separately and individually. 



Professor Donkin seems unaware of the fact that 

 Dr. Carpenter, who has dealt with such subjects more 

 closely perhaps than any living man of science, and 

 always from the sceptical side, admits all that, as I 

 conceive, even Professor Barrett and his colleagues 

 consider proved. In the following passage the reader 

 will note the distinction between what Dr. Carpenter 

 has been led to suspect, and what he regards as 

 beyond question : 



"Everyone who admits that ' there are more things 

 in heaven and earth than are dreamt of in our philo- 

 sophy,' will be wise in maintaining a ' reserve of 

 possibility 3 as to phenomena which are not altogether 

 opposed to the laws of physics or physiology, but 

 rather transcend them. Some of my own experiences 



