RHYNGIA 97 



food. It is to be hoped the creatures sur- 

 vived. The authority just quoted does not 

 carry the account of the experiment further. 



The Myrmeleon formicarius is found in 

 Ceylon. 



The illustration (Fig. 26) of this most re- 

 markable insect is taken from a photo-micro- 

 graph of 24 diameters ; the time of exposure 

 to gas-light was two minutes; the focal dis- 

 tance was 48 inches, and the 2-inch objective 

 was used. 



Rhyngia. 



This insect is generally known as the ' Snout 

 Fly/ A portion of the extreme end of its 

 proboscis is shown on the title-page (Fig. 2). 

 The illustration (Fig. 27) is from a negative 

 of 18 diameters, while that on the title-page is 

 from a negative of 95 diameters. 



