June, '14] 



MORRILL: HOUSE-FLY BAITS AND POISONS 

 TABLE I.—Conlinued 



271 



fly paper surface with each and comparing the two treated with two 

 untreated sheets. This resulted in the capture of 86 flies on the sheet 

 treated with banana, 37 on the sheet treated with dried blood and 34 

 and 21 respectively on the two sheets not treated. 



The writer's attention was called to the apparent difference in the 

 attractiveness of old and new wire fly traps b}' Mr. Acuff. An old 

 rusted trap was tested twice in comparison with a new trap of the 

 same kind. A\'ith fresh milk as a bait the new trap captured 13 flies 



