70 THE BOOK OF THE FLY 



enjoy doing grandly useful execution. Every capture 

 should be substantially rewarded. 



In an organised campaign of house-fly extermination 

 it may rather be expected that the principal trouble 

 will be with the stable men of unsanatory mews. 

 In the United States of America very stringent bye- 

 laws have been made and enforced. Some of these, 

 perhaps, deserve consideration for adoption, with 

 judicious improvements, in England, but the policy 

 of the OPEN DUST-BIN and CREMATION raises new 

 hopes of success far beyond any advantages hitherto 

 obtained in America. 



