506 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXVI. 



Grenus — Nburothemis. 



Fig. 38. — Wings of {a) N. intermedia, and (6) N. ftilvia, contrasting the open 

 and close reticulation of the neuration. 



Head moderately large ; eyes meeting for but a short distance ; forehead 

 rounded and but shghtly prominent, in the male, with or without a distinct fore- 

 border, in the female without ; suture generally wide and shallow ; vesicle 

 markedly tumid and with two poorly-developed tubercles above. 



Prothorax : lobe small and not projecting, notched slightly in the middle Une. 



Thorax medium sized ; legs slim, very similar in the tv/o sexes ; femora 3 with 

 12 to 16 small, gradually lengthening spines ; mid femora similar but fewer 

 spines ; tibial spines very sUm, somewhat far apart ; claws fine, the hooks 

 situated about the middle. 



Abdomen rather short, the base moderately, ventro-dorsaUy dilated, the 

 dorsum markedly carinated, gradually tapering towards the anal end ; 4th seg- 

 ment without a transverse ridge. Anal appendages small and acuminate. 



Sexual organs in the male ; lamma depressed, broadly and flatly arched, the 

 free border fringed with longish hairs ; external tentaculse foliate, somewhat 



