102 



APPENDIX 



drawers that have bottoms lined with corn pith or sheet 

 cork to receive, the pins. Cigar boxes are good, but all 



boxes of that kind are loose and 

 permit small insects to enter that 

 live upon and destroy the pinned 

 specimens. Tight boxes with glass 

 covers made especially for the pur- 

 pose are best for all permanent 

 collections (Fig. 6). See " Insect 

 Life," pp. 306-309, for directions 

 for making these boxes. Two 

 tablespoonfuls of carbon bisulphide 

 may be poured into each box once 

 , a month to kill the pests. 



Butterflies and some other in- 

 sects with _^~_ 

 large wings 

 should have 

 their wings 

 spread 

 a while fresh, 

 so t h at 

 they will 

 dry and 

 remain in 

 that posi- 



wn en 



FlG - 8. -Rearing cage 

 made of a flower pot and 



a lantern globe. 



FIG 7. Spreading board. 



pinned. A board for spreading in- 

 sects is shown in Figure 7. For 

 more detailed instructions, see 



" Insect Life," pp. 303-305. 



CAGES. A small rearing cage 



