194 NOTEBOOKS AND COLLECTIONS 



their points of intersection, notching each 

 half an inch, they may be fitted together 

 and laid into the box, thus dividing it into 

 rectangular compartments of such size as 

 may be appropriate. The dividing bars need 

 not be glued down. A small quantity of 

 white, or pink cotton-wool, will be laid in 

 the bottom to form nests for the eggs in 

 these compartments, before the dividing bars 

 are inserted. 



If the box is designed to hold insects 

 secured by means of pins, it will be requisite 

 to provide some material at the bottom, into 

 which the points of the pins may be inserted. 

 For this purpose nothing is better than sheet 

 cork, glued firmly down, and covered with 

 white paper. Some use sheets of German 

 peat, but it is rough. An excellent substitute 

 for cork is formed by a light frame of wooden 

 rods, f-inch square, made to fit round the 

 inside of the bottom. On the upper and under 

 sides of this frame stretch two sheets of stout 

 paper, and when dry finish with white paper 

 on the upper surface. The frame is then 

 glued to the bottom, but raised by slips of 

 wood about f -inch thick, the intention being 



