626 JOURNAL, BOMBAY NATURAL RIST. SOCIETY, Vol. XXV. 



6. Amphithemis curvistyla, Selys, Ann. Mus., Civ. Genova, 30, p. 4o-> 

 (1891). 



10 



11 



12 



Fi^-. In.— Male secondary sexual org'ans of Avipliitlicmis curvistyla ( Xl2) seen from the side»- 

 .. 11. — Anal appendai^es of same fXlG). 

 „ 12. — Anal appendages of male seen from above (X16}. 

 „ 13. — Sexual organs and anal appendaji'es of female of same seen from below (X lii). 



Expanse 44 mm. Length 30 mm. 



Male and female : labrum, labium epistome and clypeus white, forehead 

 and vesicle metallic green. 



Thorax on its dorsal anterior surface and the humeral region blackish- 

 brown or in juvenile forms yellow with a black, humeral stripe, laterally 

 bright yellow with a median, oblique, black band ; ventral surface black. 

 Abdomen moderately short, nearly cylindrical, 1st segment red with its 

 proximal end edged with black, 2nd and 3rd segments red, 4th to the 8th 

 black with a red dorsal spot, 9th and 10th and the whole of the ventral 

 surface black. 



Wings : trigone in the fore-wing usually entire ; subtrigone in fore-wing 

 entire or one or either side may be traversed in the female : trigone in the 

 hind-wing usually traversed ; usually 1 cubital nervure in the fore-wing, 3 in 

 the hind or, the number diflering in the four wings of the same specimen ; 

 no supplementary nervures to the bridge (occasionally one present) ; all 

 hypetrigones traversed. Stigma 2 mm. 



Superior anal appendages of the male robust, the lower edge projecting 

 a little, the ends approximating, not curving dorsahvards but diverging, 

 laterally. 



Genital organs of the female ; lateral borders of the 8th abdominal seg- 

 ment slightly dilated ; vulvar scale very small, in the form of a semi-arch^ 

 fissured. 



Hab. Burma. 



