224 THE HOUSE FLY— DISEASE CARRIER 



to pay express charges, a large cabinet containing ex- 

 hibits of every character, such as posters, bulletins, and 

 actual pictures of. flies in their breeding places and as 

 distributers of disease. This cabinet can be set up in 

 public places to great advantage. One of the pictures 

 in this cabinet indicates the air-line flight of the typhoid 

 fly from the garbage pail to the breakfast table; an- 

 other shows a stable with an enormous manure pile, 

 and enlarged figures on the development of the fly. A 

 third pictures food exposed on the streets and swarm- 

 ing with flies. A fourth is a photograph of a privy 

 vault swarming with flies, close to the kitchen door. 

 Another is a reproduction of the striking fly poster 

 of the Florida State Board of Health (shown in Fig. 

 21 ). An admirably worded placard reads, "If there 

 is any contagious disease in the neighborhood, beware 

 of flies." 



Interesting the Children 

 Considering the exasperating conservatism of the 

 public at large when the anti-mosquito campaigns be- 

 gan to be inaugurated ten years or more ago, and the 

 fact that even after mosquitoes had been written about 

 and preached about until it would seem that no intelli- 

 gent citizen in the country could have failed to be con- 

 vinced of such admirably demonstrated facts as the 

 carriage of malaria and yellow fever by certain of these 

 dangerous creatures, and of the perfect practicability 

 of a startling reduction in their numbers by the ex- 

 penditure of a certain amount of money and hard work, 

 the majority still remained ignorant or unconvinced; 



