DIPTEEA. 89 



and rather move than twice its length, adorned with four bands of long white 

 hairs, one on each segment from the first to the fourth ; a tuft of black 

 bristles at the tij) : legs pitchy, armed with black spines ; claws and hind- 

 feet black ; tip-spines of fore-shanks short, curved, ferruginous, with black 

 tips : wings clear, pale yellowish brown ; wing-ribs and veins ferruginous ; 

 poisers dark taw-ny. Length of the body 14^ lines ; of the wings 23 lines. 



South America. 



Dasvpogon letifer, Mas. 



Fiisc^m, capite fulvo, thorace irivittato, lateribus flavis, abdomine ferru- 

 f/ineo apice piceo, antennis hasifulris,pe(libusferrii(/ineis,aUii sub- 

 funcis basi el ad costani fulvin cellttlarum discis siibcinerei.i. 



Head tawny, beset with a few black bristles ; epistoma armed with a 

 few white spines : eyes bronzed ; fore part nearly flat, its facets a little 

 larger than those elsewhere : sucker black ; palpi dark tawny, clothed with 

 long black hairs : first and second joints of the feelers tawny, beset with 

 black bristles : chest and breast broivn ; sides pale yellow, which colour also 

 forms a stripe on each side of the chest, whose disk has three indistinct paler 

 stripes ; abdomen ferruginous, slightly increasing in breadth from the base 

 to the tip, narrower than the chest and more than twice its length, pitchy 

 towards the tip : legs ferruginous, armed with tawny spines ; feet darker ; 

 claws black ; foot-cushions tawny ; tip-spines of fore-shanks stout, short, 

 curved : wings pale brown, tawny towards the base and along the fore 

 border ; disks of the areolets more or less pale gray, which colour appears 

 most towards the hind border ; wing- ribs ferruginous ; veins pitchy ; 

 poisers yellow with ferruginous knobs. Length of the body 11 lines; of 

 the wings 18 lines. 



Caffraria ? 



Dasypogon castigans, Fcni. 



Fuscus, capite Jlavo, thorace niyro quadrivitlalo, lalmbus pcctoreque 

 albido-Jlavis, abdomine antennis pedibmqne ferrnf/i ncis, ulis cinereis 

 basi, et ad costnm flavo-fnscis. 



Head adorned with a yellow covering, clothed l)eneath with a few 

 black hairs, 1)cset l)chind the eyes with a row of l)lack bristles ; epistoma 

 armed with six or eight black spines : eyes lironzcd ; fore part fiat, com- 



