i63 



To Mount Portions of Mosquitoes 

 Permanently 



I. — Wings. — Clip off one or both wings as 

 near as possible to the thorax, so as to avoid 

 cutting the base of the wing itself. 



2. Allow the severed wing to fall in the 

 centre of a clean glass slide. See that the dorsal 

 surface of the wing is upwards. 



3. Place one or two very minute drops of 

 thick Canada balsam at some distance from the 

 wing, but within the area of a coverglass. This 

 is merely to hold the coverglass firmly in place ; 

 the balsam must not be allowed to touch the 

 wing. 



4. Press a coverglass firmly down on the 

 Canada balsam. If it is desired, the coverglass 

 may be ringed with paraffin or some material 

 ■which will not run by capillarity beneath the 

 coverglass. 



Legs. — Mount the legs of one side in order in 

 a similar way. 



Mount the palps and proboscis. 

 Mount (a) The male ungues. 



(6) Scales from head, scutellum, etc. 

 (c) Wing denuded of scales. 

 In Canada balsam, by placing a drop of bal- 

 sam on these and mounting in the ordinary way. 



