Anax. 165 



Male Imag-o. 



Face }^ello\v ; frons prominent, with a black line alcjng' 

 the ridge, and a bkie one immediately behind it, a 

 dark triangular spot in front of the vertex, which is 

 small and yellowish in front ; rhinarium brown ; margin 

 of labrum broadly black, of labium brownish. Eves 

 blue, in contact for a considerable distance ; a yellow 

 triangular spot behind them. ProtJiorax small, 

 brownish, yellow behind. Thorax green, with two 

 narrow lateral dark oblique lines, with a tiny spot and 

 a V-shaped mark between them ; attachments of wings 

 yellow and brown, projections between them green. 

 Legs brownish-black, under side of fore femora yellows 

 Wings hyaline ; costal margin golden ; other nervures 

 black ; anal angle of hind-wings rounded. Pterostigiiia, 

 fore-wings 5mm. long, hind-wings 6mm. ; narrow, brown. 

 Accessory membrane rather small, dark, but white at 

 base. Abdomen swollen at first and second segments, 

 constricted in middle of third, then expanding, flattened, 

 and of uniform width to the extremity ; blue, with 

 black markings — two spots at base of first segment, 

 two transverse lines on second, then a medio-dorsal 

 jagged line to extremity ; segments outlined in black ; 

 on the posterior segments the blue has a greenish tinge. 

 Anal appendages, upper as long as the last two seg- 

 ments, dark brown, at base slender, spreading at 

 middle, then getting narrower again, rounded at end, 

 internal margin hair\', a black irregular ridge, fairly 

 central, extending along the upper surface ; lower 

 appendage brown, short, cut square at end, surface 

 concave as seen from above. 



