KATYDIDS AND THEIR KIN. 207 



repeat that in the free and persistent use of California 

 Buhach, or some other fresh and reliable brand of 

 Pyrethrum or Persian Insect Powder, we have the 

 most satisfactory means of dealing with these roaches. 



"Just before nightfall go into the infested rooms 

 and puff into all crevices, under base-boards, into 

 drawers and cracks of old furniture in fact, wherever 

 there is a crack and in the morning the floor will be 

 covered with dead and dying or demoralized and 

 paralyzed roaches, which may easily be swept up or 

 otherwise collected and burned. 



"With cleanliness and persistency in these methods 

 the pest may be substantially driven out of a house, 

 and should never be allowed to get full possession by 

 immigrants from without. 



"For no other insects have so many quack remedies 

 been urged and are so many newspaper remedies pub- 

 lished. Many of them have their good points, but 

 the majority are worthless. In fact, rather than put 

 faith in half of those which have been published, it 

 would be better to rely on the recipe which is current 

 among the Mexicans: 



" ' To Get Rid of Cockroaches. Catch three and 

 put them in a bottle, and so carry them to where two 

 roads cross. Here hold the bottle upside down, and 

 as they fall out repeat aloud three credos. Then all 

 the cockroaches in the house from which these three 

 came will go away.' " 



