A SYNOPSIS OF THE BRITISH DRAGON-FLIES. 47 



Second sue-family. The eyes with a slight pro- 

 longation BACKWARDS. CORDULINA. 



A. A triangular blackish spot at the base of the 



posterior wings. 



Genus Epitheca, Charp. 



E. bimaculata, Charp. pi. 1 ; Revue, p. 66. 



Length 26 lin. ; exp. 38 lin. 



Large ; testaceous, villous ; abdomen long, depressed in 

 the middle, with a dorsal black band ; wings yellow- 

 ish, tinged with saffron on the costal margin ; acces- 

 sory membrane very large, whitish. 



In Belgium. 



B. Posterior wings without a blackish spot at the 



base. 



Genus Cordulia, Leach, 

 a. Triangle of the anterior wings inequilateral, 



INCLOSING A TRANSVERSE NERVURE. 



f. Face spotted with yellow, lower anal appendages 



OF THE MALE TRIANGULAR. 



14 ? C. metallica, Vander Lind. ; Steph. ; Revue, p. 62. 



Charp. pi. 15. 

 Length 23 lin. ; exp. 32 lin. 

 Habitat. No specimen is known with certainty to have 



been caught in England. Harris's figure is very 



doubtful. 

 Bronzed-green ; a transverse yellow band on the front; 



anal appendages of the male bent inwards at an angle 



near the end, smooth beneath ; vulvar scale very lung, 



subulate, straightened. 



