THE FLIES THAT CAUSE MYIASIS IX MAX 



29 



deterioration. Ordinary cotton should not be used for packing in pill 

 boxes, since its fibers are liable to become entangled with the legs and 

 wings of the fly. Gelatin capsules or cork-stoppered vials may be 

 used instead of pill boxes, with the insects held in place by Cellueotton 

 or a similar material. Insects that have dried may be relaxed by being 

 placed on moist sand in a tight container until they are moist enough 

 to be handled without breaking: then they may be mounted in the 

 usual way. 



For a simple killing jar. a small amount of calcium, sodium, or 

 potassium cyanide, placed in a large shell vial and held in place by 



shipping 

 carton 



cardboard 



shipping 

 box 



inside 

 packing 



packing 



pinning 

 surface 



I Hyper a 



postico 



(GyllJ 

 Deh L.L.B. I9*f2 



__ r 



Figure 7— A, Vertical cross section of box showing method of parkin-' pinned 

 insects for shipment: B. method of mounting a small insect on a cardboard tri- 

 angle; C, diagrammatic sketch showing position of pinning a fly. 



moistened papier mache firmly tamped down, will suffice. Layers of 

 blotting paper cut to fit the interior of the vial will absorb execs'- mois- 

 ture. The killing jar should, of course, be used with due considera- 

 tion of the dangerous character of the poison involved. Chloroform 



