INDIAN DliAGONFLIES. 691 



8 13 12 7 

 Nodal index : — ^^ ~-^ Cui angulated at its origin in the hindwing and 



rather lost in the general net-work in the right wing. 



Abdomen black or bronzed black, unmarked save for a fine, mid-dorsal, 

 apical, yellow line on the 2nd segment. 



Legs black, coxie yellow, tibi;e yellowish or pale brown on the extensor 

 surfaces. Moderately long and slim. Hind femora with a row of closely- 

 set, long, evenly sized, fine spines. Tarsal claws bifid. 



14. Idionyx ornata, sp. nov. M.S., Memoirs of Pusa. 



A single female from Shillong, 2-6-1920, coll.. T. B. Fletcher. 



Taken in dense jungle and difficult to see in flight. 



Abd. 38 mm. Hindwing 36 mm. 



Head relatively lai'ge ; face brownish yellow, the upper part of frons a deeper 

 colour and slightly metallic ; labium reddish brown, dark ; vesicle dark yellow 

 highly developed and projecting as a blunt spine but not to the same extent 

 as in the former species. Eyes probably deep blue during life but now reddish 

 brown ; occiput small, black. 



Thorax small, metallic green, marked with bright yellow as follows : — 



Antehumeral, oval spots not extending beyond halfway to the alar sinus, 

 well defined and pointed below ; alar sinus yellow ; a lateral, broad stripe 

 and the posterior border of the metepimeron more or less broadly yellow. 

 Above blackish but crossed by a yellow stripe which connects up laterally witli 

 the yellow stripes. 



Legs slim, coxte yellow, femora and tarsi black; tibiie bright yellow with 

 black spines. 



Abdomen long, laterally compressed, broadening towards the anal end, 

 shiny black, the ventral borders of segments, 2, 3 and 8 marked with bright 

 yellow. The dorsum of the 2nd broadly, and that of the 3rd and basal half 

 of the 4th finely marked with pale yellow. Anal appendages short, pointed, 

 black. 



Wings hyaline, saffronated at the bases only as far as the 2nd antenodal 



nervure. Membrane white ; stigma black, covers 2J cells. 



9 13 13 8 

 Nodal index : — ' ' . One row of discoidal cells nearly as far as the 



node in the right forewing, beyond the node in the left forewing ; hypertri- 

 gones traversed twice in the forewings, once in the hindwings ; 3 rows of cells 

 posterior to Cui in the forewing ; 13 to 16 cells in the loop. 



{To be continued.) 



