220 



THE BROWN-TAIL MOTH IN NEW HAMPSHIRE. 



a half pound of Paris Green per barrel will kill the cater- 

 pillars as quickly as ten pounds of arsenate of lead, but it 

 does not follow, therefore, that Paris Green is to be pre- 

 ferred, as the other factors above mentioned must be con- 

 sidered. 



jti^^ 



Fig. 5.— Young brown-tail moth caterpillars which have skeletonized an apple 

 leaf in earlj' September. Greatlj' enlarged. 



