A SYNOPSIS OF THE BRITISH DRAGON-FLIES. 57 



34. L. Nympha, Selys, Revue, p. 151. 

 Length 12 lin. ; exp. 14 lin. 

 Habitat England, Ireland. 



Metallic green, powdered with blue ( $ ) ; stout, of 

 variable size ; pterostigma smaller, black ; upper anal 

 appendages like pincers, with two pointed teeth, inter- 

 nally rather far apart; the lower ones long, dilated at 

 the end. 



35. L. sponsa, Hansem ; Revue, p. 154. Charp. pi. 34. 

 Length 12 lin. ; exp. 14 lin. 



Metallic green, powdered with blue ( $ ), slender ; 

 pterostigma smaller, black; upper anal appendages 

 like pincers, with two pointed teeth, internally approx- 

 imated ; the lower ones long, not dilated at the end. 



t f. Back of the head yellow. 



36. L. virens, Charp. ; Revue, pi, 156. Charp. pi. 34. 

 Length 12 lin. ; exp. 14 lin. 



Habitat England ; New Forest (two specimens in the 

 collection of the British Museum, formerly in that of 

 Mr. Stephens). 



Metallic green, slender ; thorax beneath with three 

 black spots on each side ; pterostigma reddish ; upper 

 anal appendages like pincers, with a little basal 

 tooth, and a little median dilatation internally ; the 

 lower ones very short, converging at the end, which is 

 rounded and very villous. 



37. L. Barbara, Fabr. ; Revue, p. 159. Charp. pi. 35. 



Length 12 lin. ; exp. 17 lin. 



Habitat Ireland? (one specimen in the Dublin Mu- 

 seum). 



Metallic green, stout ; thorax unspotted beneath ; 

 pterostigma brown, external half yellow; upper anal 



