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MOSQUITO OR MAN? 



THE CONQUEST OF THE TROPICAL WORLD 



BY SIR RUBERT W. BOYCE, M.B., F.R.S. 



HOLT PROFESSOR OF PATHOLOGY, UNIVERSITY OF LIVERPOOL; DEAN OF THE LIVERPOOL SCHOOL 



OF TROPICAL medicine; COMMANDER OF THE ORDER OF LEOPOLD II.; FELLOW OF UNIVERSITY 



COLLEGE, LONDON; ONE OF THE PUBLIC ANALYSTS FOR THE CITY OF LIVERPOOL 



WITH ILLUSTRATIONS 



Stagnation, the great enemy of life" 



THIRD EDITION 



LONDON 

 JOHN MURRAY, ALBEMARLE STREET, W. 



1910 



