DIPTERA. li 



Allied to Pliiloliche, but approaching still nearer to Tabanus : third 

 joint of the feelers small, convex above and beneath ; compound joint 

 long-, slender, tapering-, curved upward : stump of the tip cross-vein about 

 twice the length of the shorter side of the angle whence it springs. 



1- Roei 2. lurida ^, 



Pangonia nana, Mas. 



Fulva, thorace ferrugineo, palpis fulvis apice nigns, antennis pedibtisque 

 fvlvis, alis subcinereis ad costam fulvis. 



This species will form a subdivision of the group, for the posterior 

 submargiual areolet is vei-y short, being closed at one-fourth of its length 

 from the border. Body tawny, clothed with short tawny hairs : head 

 thickly clothed beneath with white hairs : upper region of the eyes reddish- 

 brown, flat, composed of very large facets, clothed with tawny hairs ; lower 

 region brassy, convex, composed of very small facets, clothed with white 

 hairs : sucker black, nearly as long as the body, pitchy at the base ; palpi 

 tawny with black tips, a little shorter than the feelers : feelers tawny ; first 

 joint twice the length of the second ; third twice the length of the first ; 

 fourth slightly curved, comjwsed of six divisions, of which the first, second, 

 third and fourth are short ; the fifth is much longer than the fourth ; the 

 sixth is near twice the length of the fifth: chest ferruginous : abdomen ob- 

 conical, longer and a little broader than the chest : legs tawny, clothed 

 with short tawny hairs ; feet darker towards the tips ; claws black : wings 

 slightly gray, tawny along the fore borders ; wing-ribs and veins tawny ; 

 veins pitchy towards the tips ; scales and poisers tawny. Length of the 

 body 4^ lines; of the wings 12 lines. 



Brazil. 



Pangonia comprehensa, Plate I. fig. 2. 



Nigro-fusca, abdominis apice ventreque fulvis, antennis ferrugineis, pedibiis 

 fulvis, alls fuscis. 



Body deep brown, clothed with short hairs of the same colour : head 

 beneath tawny and clothed with tawny hairs : eyes coppery, divided, as 

 usual in the males, into one region of large and another of small facets : 

 sucker twice the length of the body ; palpi black, clothed with short black 

 hairs: feelers pale ferruginous ; first and second jnints clothed with short 



