THE HOUSE-FLY 



UmCA DOMESTIC A LINN. 



ITS STRUCTURE, HABITS, DEVELOPMENT, 

 RELATION TO DISEASE AND CONTROL 





'A 



BY 



C. GORDON HEWITT 



D.Sc, F.R.S.C. 



DOMINION ENTOMOLOGIST OF CANADA; FORMERLY LECTURER IN 

 ECONOMIC ZOOLOf.Y IN THE UNIVERSITY OF MANCHESTER 





Cambridge : ^^Ti^^ 



at the University Press J^^^'^ 



1914 



« 





\ 





