338 



ELEMENTARY ENTOMOLOGY 



be found very useful for numerous purposes. In addition to the 

 ax, many collectors always carry a chisel, but this will be found of 

 but little advantage except in collecting wood-boring larvae. 



Receptacles for carrying insects. For general collecting, one 

 should always carry a number of receptacles in which to place the 

 insects as soon as they have been killed in the cyanide bottle. For 



FIG. 475. The paper envelope for Lepidoptera, and method of folding it 

 /, first fold ; 2, second fold. (After Banks) 



