604 AGRIONID^. 



Var. Mas et Foem. Viridi-agnea ; alis flavido-rufescentibus, 

 anticis in mare tantum margine antico apiceque, in foem, anticis, 

 pallidioribus, puncto cubitali in omnibus, posticis pterostigmate ab 

 apice remoto albis. 



Calopteryx disparilis, Ramh. Hist. Nat. Ins. Neur. 224, II. 



a. China. Presented by the Entomological Club. 



h. China. Presented by J. W. Evans, Esq. 



c. China. From Mr. Larking's collection. 



rf, e. Nepaul. Presented by Major-Gen. Hardwicke. 



/— /. North India. From Mr. Stevens' collection. 



m. North Bengal. From Miss Campbell's collection. 



n, o. Silhet. From Mr. Stainforth's collection. 



p. Silhet. From Mr. Sowerby's collection. 



q. Borneo. From Mr. Low's collection. 



r. ? 



4", t. Ceylon. Presented by E. Templeton, Esq. 



Genus 3. ECHO. 



Sectores omnes simplices, non bifurcatae. Nodus fere apud 

 alsB dimidiura. Pterostigma magnum, regulare, rhoraboideum. 



Echo, De Seli/s. 



Sub-gen. I. ECHO. 



Antennarum articulus lus occultus, 2us longiis. Spatium basi- 

 lare reticulatum. Pedes sat longi. 



Echo, De Sel2/s. 



Group 1 . Type C. margarita. 



Arculi sectores ab origine disjunctae ; prsecipua mediana conti- 

 gua. 



Alge (maris ?) et foeminae ex parte opacse ; vena costalis non 

 metalliea. 



