DIPTERA. 89 
and rather more 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 tip: legs pitehy, 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 tawny. Length of the body 143 lines; of the wings 23 lines. 
South America. 
DasypoGon Levirer, Mas. 
Fuscus, capite fulvo, thorace trivittato, lateribus flavis, abdomine ferru- 
gineo apice piceo, antennis basi fulvis, pedibus ferrugineis, alis sub- 
fuscis bast et ad costam fulvis cellularum discis subcinereis. 
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 brown ; 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 CASsTIGANs, Fem. 
Fuseus, eapite flavo, thorace nigro quadrivittato, lateribus pectoreque 
albido-flavis, abdomine antennis pedibusque ferrugineis, alis cinereis 
basi, et ad costam flavo-fuscis. 
Head adorned with a yellow covering, clothed beneath with a few 
black hairs, beset behind the eyes with a row of black bristles ; epistoma 
amed with six or eight black spines: eyes bronzed ; fore part flat, com- 
a oo ES 2 ee a, a a es, i. 
