486 



PROCEEDIXGS OF THE NATIONAL MUSEUM. 



VOL. 52. 



Abdomen with dorsum broadly black with greenish and purplish 

 reflections, except a narrow pale ring on base of segments 2-8. Pale 



Figs. 3-10, 14-18.— Lestes sxtrLTUs. 3-1. Usual coloration. 5-7. Variation in thoracic pattern. 



8-10. APPENDAGEa OF MALE. 14-18. NYMPH. 



Figs. 11-13.— Lestes uncatus, appendages of male. 



areas creamy. Segments 2-7 with a narrow, black apical ring. 

 On segments 5-7 and in some mdividuals also on 8 and 9 there is an 

 irregular black blotch in the lower apical angle which is broadly con- 



