A SYNOPSIS OF THE BRITISH DRAGON-FLIES. 55 



anal appendages of the male rather spatulate, the 

 point truncate ; the lower oblong-quadrate. 



Parthenope, Selys; Revue, p. 111. 



Length 30 lin. ; exp. 42 lin. 



Similar to the preceding, the thorax reddish olive ; the 

 anal appendages of the male externally with a spinous 

 point ; the lower square, short, broader than long. 



In France, near Paris. 



Second tribe. Fore and hind wings similar. 



First division. Antecubital nervures numerous. 



Fifth sub-family. Large species. 

 CALOPTERYGINA. 



Genus Calopteryx, Leach. 



30. C. Virgo, L. ; Steph. ; Revue, p. 134. Charp. pi. 31. 

 C. xanthostoyna, anceps, Steph. C. hamiorrhoidalis, 



Evans. 

 Length 17 lin. ; exp. 21 lin. 

 Habitat England, Scotland, Ireland. 

 Metallic blue; wings broad, deep blue, the base coloured; 



network very fine ( $ ) ; green or metallic brown ; 



wings brown ; pterostigma white, rather distant 



from the apex. 



31. C. splendens, Harris ; Revue, p. 139. C. Parthenias, 



Charp. pi. 33. 

 Length 17 lin. ; exp. 21 lin. 

 Habitat England, Scotland, Ireland. 

 Metallic blue ; wings narrower, deep blue, the base and 



tip hyaline, network more open, $ ; metallic green ; 



wings hyaline; pterostigma white, apical. 



