le 



or be crushed. It is best to put the empty 

 boxes in one pocket, and the filled ones in ano- 

 ther. Before going out the collector must be 

 careful that his boxes fit tight, and that the tops 

 and bottoms are perfectly secure. 



Quills, (plate, fig. 18.) having one end care- 

 fully stopped with cork and wax, and the other 

 having a cork stopper, will be found extremely 

 useful for keeping the minutest insects secure. 

 The quill should be shaken every time a fresh in- 

 sect is put in, to preserve those already captured. 



Pins. The size of the pin must correspond 

 with that of the insect. The collector should 

 never fail to take out a cushion filled with pins 

 of various sizes. The best, and indeed the 

 only maker in London, who has them of all 

 sizes, and made expressly for the purpose, is 

 Durnford, in Gracechurch Street. Needles must 

 never be used for piercing insects, as they 

 always rust. 



TocKET Magnifier, (plate, fig. 19.) The 



