vii THE EXPRESSIVENESS OF SPEECH 137 



these two words well illustrates the principle. Thus, 

 every such class of expressive words would have a natural 

 basis, while the detailed modifications to differentiate the 

 various ideas included in it might be to a considerable 

 extent conventional. 



In conclusion, I venture to submit the facts and argu- 

 ments here set forth as a contribution to the fascinating 

 subject of the origin of language. Of their novelty 

 and value I must leave Anthropologists and Philologists to 

 judge. 1 



1 The fundamental idea of mouth- gesture was stated by the present 

 writer in a review of Mr. E. B. Tylor's "Anthropology," in Nature, 

 vol. xxiv. p. 242 (1881). 



