40 



TNTRODVCTORY. 



Mr. DeLong made this experiment of trapping the codlin 

 moth, carried to his premises in return packages. The fol- 

 lowing if taken from the rej^ort of the Fruit Growers' Con- 

 vention at San Jose, November, 1<S82 : 



^ 



Mr. Cooke — " I call your attention to one matter in refer- 

 ence to an orcliard, of 250 acres, in Marin County, where there 

 are 31,000 trees subject to the attacks of the codlin motli — the 

 Novato Ivanch. In June, 1S81, I visited the ranch and, 

 greatly to the dismay of Mr. DeLong, I found the pupa of a 

 codlin moth. When I told him, he said : ' No sir, we have 

 none here.' I replied : 'Mr. DeLong, there it is on this tree.' 

 Now I would like to call for liis experience since .June, 1881." 



Mr. DcLonti — ''All I can sav is that I did not know that we 



