THE SUBFAMILY LIBELLUL1NJE. 339 



Female. — Head as in the male ; thorax and abdomen testaceous brown, the black 

 markings on the pleura less extended ; abdomen with the dorsal carina and sutures 

 black, expanding into dorsal spots and laterally expanded bands on the sutures; wings 

 hyaline, more or less clouded, especially towards the tips, but with no basal blotch on 

 the hind wings. 



Hob. Borneo. 



A very common species. 



Thermochokia equivocata. (Plate LII. fig. 8.) 



Long. corp. 30 millim. ; exp. al. 48 millim. ; long. pter. 3 millim. 



Male. — Head, frontal tubercle and clypeus blackish, the latter strongly punctured 

 above, channelled in the middle, and marked with a large horseshoe-shaped spot on 

 each side ; back of the head black, the whole face below the clypeus yellow, and the 

 eyes from a little below the occipital triangle broadly bordered behind with yellow, and 

 unspotted ; thorax and abdomen black, the pleura, the space between the wings above, 

 and the base of the abdomen pulverulent blue ; anal appendages slender, yellow, as 

 long as the ninth segment, the lower appendage nearly as long as the others ; appen- 

 dages of the second segment rather small. Wings rather long and narrow, rounded at 

 the tips, the hind wings not much broader than the fore wings, clear hyaline, with 

 black nervures ; pterostigma very dark reddish brown, a stripe of the same colour on 

 the nodus (on the fore wings only), and another stripe, almost black at the base, filling 

 up the lower basal cell from the base to the twelfth antenodal cross nervure on the fore 

 wings, and to the fourth antenodal cross nervure on the hind wings ; tips of the wings 

 from one cell beyond the pterostigma edged with rufous ; membranule of hind wings 

 very small, white, marked with a blackish dot. 



Hob. West Africa. 



Misagria Parana. (Plate LII. fig. 9 ; abdomen &c, Plate LVII. figs. 8, 8 a.) 



Long. corp. 37 millim. ; exp. al. 62 millim. ; long. pter. 3J millim. 



Male. — Head: face yellow, mandibles and suture of the labium blackish, frontal 

 tubercle reddish, summit of the clypeus bright blue, back of the head reddish, the eyes 

 bordered behind with yellow ; thorax rufous brown above, with a longitudinal greenish 

 line on the middle, followed by green spots between the wings ; sides green, with 

 reddish-brown bands on the sutures. Abdomen reddish brown, with an interrupted 

 greenish line on the dorsal suture, extending to the middle of the seventh segment ; 

 sides of the basal segments spotted with yellow, the tips of all the segments beyond 

 the third, and the greater part of the sixth and following segments above, black. Legs 

 reddish brown, with a yellowish line on the femora beneath. Wings hyaline, the 

 extreme base a little marked with yellowish, and the extreme tips a little clouded ; 

 pterostigma dark brown. 



Hab. Para. 



3c2 



