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W. & G. FOYLE, 121-123 Charing Cross Rd., London, W.C. 



NOW READY. 



THE REDUCTION OF DOMESTIC FLIES 



By EDWARD HALFORD ROSS, M.R.C.S.Eng., L.R.C.P.Lond, 



Of the John Howard McFadden Researches; the Lister Institute of Preventive Medicine, 

 vi u« jouu " L) ^ don> Author of « The Reduction of Domestic Mosquitos." 



With Illustrations, Demy %vo. $s. net. 

 The object of this book is to bring to public notice the necessity for the reduction of 

 domestic house-flies in cities, towns, villages, and rural districts. There is a great deal of 

 evidence to show that these insects are directly concerned in the spread of certain diseases, 

 and therefore every effort should be made to sway public opinion m favour of fly-reduction, 

 Some individual efforts have been made, but these are few and far between. 



THE HOUSE FLY : DISEASE CARRIER 



AN AOMW^FrrS^AN^^^gjrv™ AND OF 



By LELAND O. HOWARD, Ph.D. 



With numerous Illustrations. 6s. net. 

 In this book the Chief of the U.S. Bureau of Entomology sets forth complete information 

 about the fly. After describing the nature of the common house-fly, its habits and methods 

 of breeding, he proves his case against it as a carrier of disease, and goes on to what will 

 be the molt interesting section to most readers— that on remedies and preventive measures. 

 He considers screening, fly traps and various poisons, repellents, and the treatment ot 

 breeding places. ■ 



JOHN MURRAY, ALBEMARLE STREET, W. 



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