PREVENTIVE MEASURES 223 



work, and the whole association seeks the opportunity 

 to co-operate directly with civic societies of every char- 

 acter, such as women's clubs, local civic leagues, con- 

 sumers' leagues, school improvement societies, and all 

 organized bodies, in a direct crusade against the ty- 

 phoid fly. 



The association publishes bulletins with full infor- 

 mation as to the life history and habits of this fly and 

 with the most practical suggestions, secured after con- 

 ference with the leading physicians and entomologists. 

 These bulletins are sent to societies in quantities, but 

 there is sometimes a small charge for very large quan- 

 tities. The association also co-operates directly in pro- 

 viding press clipping sheets that may be used to great 

 advantage with local newspapers, calling attention to 

 the dangers in permitting flies to breed unrestrictedly. 

 It maintains also a department of lantern slides, which 

 includes a large collection of pictures, some of them 

 descriptive of the life history of Musca domestica, and 

 others being reproductions of striking cartoons from 

 the newspapers, and of effective posters that have been 

 used by health boards and may be used for display in 

 public places, such as shops, railroad stations, and on 

 the street cars, to call attention to the dangers sur- 

 rounding the existence of the fly. It has also a very 

 effective moving-picture film which can be rented by 

 societies and which is a most effective manner of pre- 

 senting vividly the objectionable habits of the house 

 fly. 



The association has also, for use by societies willing 



