258 MODERN SYSTEiM, 



Genus 381. CORDULIA. Leach. LiBELtrLA. Linn., Don., Puns., 



Latr. 

 Posterior wings of the male produced into an angle at the anal edge. 

 Sp. 1. Cor. anea. Wings pellucid: thorax and abdomen of a brassy 



green. 

 Inhabits marshy places on Epping Forest and the New Forest of 

 Hampshire in June and July. 



Stiups 2. — Wings horizontal; head hemispheric, without a distinct ve- 

 sicle for the little eyes, which are arranged in a straight line : uhdoinen 

 cylindric, sometimes clavate: lip with the middle lamella not much 

 smaller than the others. 



Genus 382. CORDULEGASTER. Leach. Libellula. Linn., 

 Don. A'sHXA. Latr. 

 Hinder wings of the male angulated at their anal edge : abdomen of the 



male clavate, of the female with an acuminated process. 

 Sp. 1. Cor. anmdatus. Leach. 

 Libellula forcipata. Harris. iEshna annulata. Latr. Libellula Bolto- 



nii. Don. 

 Inhabits Yorkshire, Devonshire, Dorsetshire, Somersetshire, Hamj)- 



shire, and Cornwall. It likewise occurs amongst the Lakes, in the 



North of England ; amongst the Pcntland Hills, near Edinburgh ; 



and on Loch Lomond and Lock Katrine. 



Genus 383. GOMPHUS. L^each. Libellula. Linn., Don. 



Hinder wings of the male angulated at their anal edge : abdomen cla- 

 vate in both sexes. 



Sp. 1. Goni. vulgatissimus. Leach. 



Libellula vulgatissima. Linn. Libellula forcipata. Don. 



Inhabits Europe. It occasionally occurs on Epping Forest, and at 

 Coombe Wood in Surry, 



Genus 384. iESHNA. Leach, Fubr. Libellula. Linn., Don. 



Hinder wings of the male angulated at their anal edge : abdovien cy- 

 lindric in both sexes, not clavate. 



Sp. 1. Msh. grandis. Fabr., Leach. 



Libellula grandis. Linn., Don. 



Inhabits the fields near London ; Hackney and Plaistow Marshes : 

 but is difiicult to catch unless in windy weather, when it may be found 

 on the water plants growing in ditches. It may also be taken at the 

 dusk of fine evenings in the months of June and July, flying in pur- 

 suit of various insects which appear only at these times. 



Genus 385, AN AX. Leach. 

 Hinder -wings of the male not angulated at their anal edge, but resem- 

 bling those of the female : abdomen cylindric in both sexes ; not cla- 

 vate. 



