649 



Sect. 2. 



Statura major. Alae plus minusve dilatatae, areolarum post- 

 costalium seriebus duabus (nonnunquam elementariis). 



Group 1. Type L. unimaculata. 

 Angulus mesothoracis brevis, triangularis. 



Sub-group 1. 

 Mas. Alae posticae fascia unica vitrata. 



12. LlBELLAGO UNIMACULATA. 



Angulus mesothoracis brevis, ceneus. Alee mediocres. Femora 

 tibiceque posteriora intus flava. 



Mas. Alee margine antico lucide hyalino ; anticce hyalince, trans 

 medium in fuscum tucidum mutates ; posticce hyaline, plus 

 dimidio postico saturate fusco in fuscum lucidum apud punc- 

 tum mutato, fascia vitrata latissima trans nodum notatce. 



Fcem. Alee hyalines ; pterostigma longum,flavum, basi fuscum. 



Libellago unimaculata, De Selys. 



a, b. Nepaul. Presented by Major-Gen. Hardwicke. 



c. East Indies. Presented by J. C. Dale, Esq. 



d. North India. From Mr. Stevens' collection. 



Group 2. Type L. fulgipennis. 

 Angulus mesothoracis longissimus, sinus ante alas attingens. 



Sub-group 1. 

 Mas. Alse postica? fasciis duabus vitratis. 



3 L 2 



