2IO THE ORIGIN OF HUMAN REASON. 



in utero^ and the slowly evolving phases of after-growth, 

 there is in the case of the human body a great and 

 sudden change at the moment when it first becomes 

 separated from that of its parent. And so, there is 

 some reason to believe, it is in the case of the human 

 mind." 



We by no means accept the analogy as here given, 

 but we deem it well to note this admission of a sudden 

 leap in psychical human development. In principle it 

 admits all we demand, and may be regarded as a case 

 resembling that other sudden leap of evolution, before 

 referred to * — the junction of the spermatozoon and the 

 ovum, etc. f The existence of some real changes of 

 kind in nature can hardly be denied by the consistent 

 biologist, and we have seen % how strongly even Mr. 

 Wallace has quite recently affirmed their existence. But 

 a change of kind must be sudden. An essential nature is, 

 or it is not. It can never partly be and partly not be. 



Mr. Romanes employs here, as in his former work, 

 the uncouth and somewhat repulsive term "ejects," to 

 denote the feelings accompanying a creature's spon- 

 taneous activities, and readily appreciated by other 

 creatures seeing them. He says § he desires to " lay 

 particular stress upon the point, which I do not think 

 has been sufficiently noticed by previous writers — 

 namely, the ejective origin of subjective knowledge." 

 He regards such appreciation as hereditary, as shown by 

 " the smile of an infant in answer to a caressing tone, 



* See above, p. 12. 



t As to these sudden psychical changes occurring in nature, see 

 " On Truth," pp. 458, 439, 507, 508. 



X See above, pp. 10, 27. § p. 209. 



