SCIENCE AND 

 THE HUMAN MIND 



A CRITICAL AND HISTORICAL ACCOUNT 



OF THE DEVELOPMENT OF 



NATURAL KNOWLEDGE 



BY 



WILLIAM CECIL DAMPIER WHETHAM 



M.A., F.R.S. 



FELLOW AND TUTOR OF TRINITY COLLEGE, CAMBRIDGE 



AND 



CATHERINE DURNING WHETHAM 



HIS WIFE 



LONGMANS, GREEN, AND CO. 



39 PATERNOSTER ROW, LONDON 



NEW YORK, BOMBAY, AND CALCUTTA 



1912 



All rifktt r*tr*l 



