26 WARFARE IN THE HUMAN BODY 



sciences than geology seek to solve. For it may be repeated, 

 even again, that general laws are indeed general, and that 

 each special case is but that universal clad in its peculiar 

 garment of individual particulars. Necessary as the study 

 of these may be to some special application in life, it is by 

 putting them aside, and by divesting truth of its accidents 

 by the use of the generalizing imagination, that the greatest 

 results can be attained. The very evolution of the brain 

 itself has placed in our hands the mighty powers of surmise 

 and expectation, while experience has given us, when we 

 consider in the broadest spirit all that has been achieved, 

 a guide by which we can hope to direct our steps aright. 



REFERENCES. 



Child, C. M. — " Senescence and Rejuvenescence." 



Cunningham, J. T. — " Heredity of Secondary Sexual Charac- 

 ters in Relation to Hormones," Proc. Zool. Soc. London, 

 ro,o8. 



Galton, Sir Francis. — " Enquiries into Human Faculty." 



Hartog, Marcus. — "True Mechanism of Mitosis," Leipzig, 1914. 



Jevons, W. S. — " Elementary Lessons in Logic," 1880. 



Keith, Arthur. — " Differentiation of Mankind into Racial 

 Types," Address, Brit. Assoc, 1919. 



Maine, Sir H. G. — "Ancient Law" (Pollock ed.), 1905. 



Mill, J. S.— " System of Logic," 1886. 



Spencer, Herbert. — " Transcendental Physiology," Essays, 

 1901, vol. i. 



