1 84 NOTEBOOKS AND COLLECTIONS 



Returning to the operation of * setting/ 

 you take up the specimen by the head of the 

 pin, and thrust the point firmly into the 

 bottom of the groove or hole, as the case 

 may be. Take two pieces of narrow silk tape, 

 six inches long and one-eighth inch wide. 

 Pin one end of each piece to the board, one 

 on each side of, and touching, the central 

 grove, in a straight line with the body of the 

 insect. With a fine needle, inserted in a 

 match-stalk or small piece of wood, gently 

 separate the wings sufficiently to permit of 

 your bringing back the free ends of the tape 

 between them. Take care that one tape 

 passes on one side, and the other on the 

 other side of the pin. Use the needle to 

 lightly fold the left-hand pair of wings flat 

 upon the board, and tighten the left-hand tape 

 so as to hold them there. Pin the free end 

 of that tape to keep it in position. Eepeat 

 this operation with the right-hand pair of 

 wings. You will then have all the wings 

 under command. Adjust them with the 

 needle until they lie neatly and symmetrically. 

 The tapes are used to check their spring. 

 When set to your mind, secure them with 



