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CHAPTER XVIII. 



LITERATURE. 



Bulwer Hartley Gregory Camper Blane Marshall Hall 

 Tyndall C. Darwin Bibliography, with dates. 



IN looking over the writings of some authors on 

 subjects cognate to that of the present work, 

 there appears to be abundant evidence, in the few 

 extracts here made, that some of them are in accord 

 with the general principles expressed in this volume, 

 although, of course, they are not enunciated in the 

 same way, owing to the present advanced condition 

 of knowledge in cognate matters. If it can be 

 shown that the methods of inquiry now proposed 

 are in unison with the thoughts of men long past, 

 but whose works are still of value, it appears to 

 me that the probability of useful results following 

 from such work is strengthened. 



Bulwer * says, " Being their motions, then, are 

 diametrically opposite, so are their significations; 

 for if we use, as we do, the flexion of the Head to 

 show our assent, and that properly according to 

 the universal intention' of Nature ; the contrary 



* Bulwer, op. tit., p. 56. 



Y 



