15 



Traps of the sort described above, placed in pantries and bakeries, 

 will unquestionably destroy great quantities of roaches, and keep 

 them, perhaps, more effectively in check than the use of the trouble- 

 some insect powders or the distribution of jioisoned bait, especiall}' 

 as the latter are so often ineffective. 



Washington, D. C, June 23, 1902. 



