THE INSECT 



selves with brushing off the aphides with a 

 whisk-broom, and burning those secured in 

 this way. This was satisfactory, as far as it 

 went, but the trouble was that it did not go far 

 enough. No matter how thorough one might 

 be in the removal of the insects, some would 

 escape, and, as they breed with wonderful 

 rapidity, the plants would in a short time be 

 again covered with them. 



Then the chemists took up the matter and 

 succeeded in extracting the nicotine principle 

 of the tobacco leaf so perfectly that a small 

 quantity of it, added to water and sprayed 

 over the infested plants, produced results far 

 more satisfactory than any that had been 

 achieved before. This extract was put on the 

 market under the name of Nicotocide, and has 

 come into general use, wherever plants are 

 grown. All one has to do, in making use of it, 

 is to dilute it with water according to the direc- 

 tions on the can or bottle in which it is sent out, 

 and spray it over the plants, or, in case they 

 are badly infested, to dip them in it. It is sure 

 death to every aphis it comes in contact with 

 if used as directed. 



Dipping has one advantage over spraying 

 — that of being more thorough, as no insect 



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