124 



One Pound Paris Green to 500 Gallons Water. 

 Second Molt. 

 May 5, at 3 p. m., sprayed a branch of apple tree with Paris green 

 in water (1 lb. to 500 gals.), and placed 15 caterpillars on the leaves. 

 May 7, at 8-30 a. m., four were dead ; May 8, at 11 a. m., three more ; 

 May 9, at 9 a. m., four more ; May 11, at 9-30 a. m., one more, and 

 May 12, at 9-30, all were dead. 



Third Molt. 

 May 5, at 3 p.m., sprayed in the same maner, and placed 15 cater- 

 pillars on the leaves. May 7, at 9 a. m., four were dead ; May 8, at 

 11 A. M., four more ; May 9, at 8 a. m., three -more, and May 11, at 

 9 A. M., all were dead. 



Fourth Molt. 

 May 25, at 9 a. m., sprayed as above, and placed 15 caterpillars 

 on the leaves. May 28, at 8 a. m., Ave were dead ; May 29, at 8 a. 

 M., five more had died, and June 1, at 9 a. m., all were dead. 



One Pound Paris Green to 600 Gallons Water. 



Second Molt. 



May 2, at 2 p. m., sprayed a branch of apple tree with the above 



preparation, and placed 15 caterpillars on the leaves. iNIay 6, at 8 



A. M., three were dead ; May 7, at 8 A. m., two more had died, and 



May 9, at 8 a. m., all were dead. 



Third Molt. 

 May 4, at 2 p. m., sprayed in the same manner, and placed 15 

 caterpillars on the leaves. May 5, at 8 a. m., one was dead ; May 

 6, at 8 A. M., four more had died, and May 7, at 8 a. m., all were 

 dead. 



Fourth Molt. 

 May 25, at 10 a. m., sprayed as above, and placed 15 caterpillars 

 on the leaves. May 28, at 8 a. m., three were dead ; May 29, at 8 

 A. M., two more ; June 1, at 9 a. m., three more ; June 2, at 9 a. m., 

 one more, and June 4, at 8. a. m., all were dead. 



One Pound Paris Green to 700 Gallons Water. 

 Second Molt. 

 May 9, at 10 a. m., sprayed a branch of apple tree with the above 

 proportion of Paris green and water, and placed 15 caterpillars on 



