17 



Genus XXVI. LIBELL ULA. 



GENERIC CHARACTER. 



Antenna shorter than the thorax, setaceous. 

 Mouth armed with jaws, more than two in 

 number. Wings extended. Tail in the male 

 furnished with a kind of forceps. 



General Observations, 



This genus is divided by Linnasus into two 

 families. In the first, 



The wings, when at rest, are spreading out. 



In the second, 

 The eyes are placed at a distance from each 



other, and the wings are erect. 



Dr. Shaw observes, that the Libellutee or 

 Dragon-flies, sometimes called by the very im- 

 proper title of Horse-stingers, exhibit an in- 

 stance scarcely less striking than the butterfly, 

 of that strange dissimilitude in point of form, 

 under which one and the same animal is des- 

 tined to appear in the different periods of its 

 C 3 



