COLLECTING INSECTS. 



25 



the purpose much better. What is known as the 

 Kkeger pin is the best made. It can be purchased 

 of dealers in natural history supplies. These pins 

 vary in size, according to number. No. 2, is vised 

 only for very small insects, while No. 5, is large 

 enough for any of our species. For the majority of 

 specimens of moderate size, No. 4 may lie used. A 

 supply of sheet-cork is also needed. This costs about 

 fifty cents a dozen sheets, and may also be obtained 

 of natural history supply dealers. 



Butterflies, moths, and some other insects require, 

 for their proper preservation, what is called a 

 ' setting-board,' one of which is shown in Fig. 8 

 It consists simply of two thin strips of pine 

 board, twelve or sixteen inches long, nailed to end 

 pieces, with a space varying from J to f-inch be- 

 tween the long strips : a piece of thin cork is fastened 



to the under side 

 of the strips so as 

 to cover this space. 

 The pin on which 

 the butterfly is fas- 

 tened is p u s h e d 

 through the cork 

 u n t i 1 the side 

 Fig. s setting Board. pieces are 1 e v e I 



with the base of the wings. The wings are then 

 brought forward until the posterior borders of the 

 front ones are at right angles to the body, and they 

 are then fastened in place by pieces of card-board 



