238 MODERN SYSTEM, 



Genus 381. CORDULIA. Leach. Libelltjla. Linn., Don., Fans., 



iMr. 

 Posterior 7viiigx of the male produced into an angle at the anal edge. 

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



green. 

 Inhaliits marshy places on Epping Forest and the New Forest of 

 Hampshire in June and .Inly. 



Sri UPS 2. — Wings horizontal : head hemispheric, without a distinct ve- 

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

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

 smaller than the others. 



Genus 3Q2. CORDULEGASTER. Lectch. Libelllla. Linn., 

 Don. ^F.SHNA. Latr. 



Hinder zvings 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. 



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

 nii. Don. 



Inhabits Yorkshire, Devonshire, Dorsetshire, Somersetshire, Hamp- 

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

 North of England ; amongst the Pentland Hills, near Edinbiu-gh ; 

 and on Loch Lomond and Lock Katrine. 



Genus 383. GOMPHUS. Leach. Libellula. Linn., Don. 



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

 vate in both se.xes. 



Sp. L Com. vulgatissinuis.lLeach. 



Libellula vulgatissima. Linn. Libellula forcipata. Don. 



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

 Coombe Wood in Surry. 



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



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

 lindric in both sexes, not clavate. 



Sp. 1. JEsh. grandis. I'abr., Leach. 



Libellula grandis. Linn., Don. 



Inhabits the fields near London ; Hackney and Plaistow ^larshes ; 

 but is dihicult to catch unless inwindy 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. ANAX. Leach. 

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

 V)ling those of the female : abdomen cylindric in both se.xes ; not cla- 

 vate. 



