266 OBAMMAR OF ENTOMOLOGY. 



853. The rods of the clap net are each com- 

 posed of five pieces, united by ferules ; when 

 taken to pieces and placed in the net, the latter 

 may be folded in a very moderate compass, slipped 

 into a brown holland case, and put in the coat 

 pocket. For this kind of net both green and vi-hite 

 muslins are used ; but white is much the best, as 

 the small insects are much more readily distin- 

 guished on it. 



854. The entomologist should be provided with 

 two vials ; one empty and perfectly dry, having a 

 quill passing through the cork, and going a con- 

 siderable way below it : this quill may be stopped 

 at top by a second small cork. The other vial 

 should be three parts filled with spirit : common 

 whisky is the best spirit ; pure alcohol injures the 

 colours of beetles, and gin makes them sticky. 



855. A digger is another useful instrument : it 

 is simply a piece of round iron, about fifteen inches 

 long, bent round at the one end, and furnished 

 with a wooden handle at the other. This serves 

 to rip the bark off dead trees, and to dig at the 

 roots of trees for chrysalides. 



856. The best place to get entomological in- 

 struments, with which the author is acquainted, 

 is Bew's, in Newgate Street; Mr. Benj. Standish, 

 of George Street, Peckham, is also a manufacturer 

 of nets and boxes, and the Messrs. Christy, of 

 Standgate Glass-works, Lambeth, have taken 

 great pains to make entomologists' vials, and have 



