DIPTERA. 395 
tip, the middle one in advance; veins black, tawny in a spot of that colour 
along the fore border near the base. Length of the body 4} lines; of the 
wings 9 lines. 
Brazil. 
CaLopata ? CONTRACTA. 
Nigra, obscura ; caput thoracis lonyitudine, facie albida ; antenne picee ; 
thorax robustus, subcompressus ; abdomen lineare, compressum, seg- 
mentorum marginibus posticis argenteis ; tarsi antici latiores ; ale 
-limpide, parve. : 
Black, not shining: head as long as the chest, a little longer than 
broad ; crown striated ; face whitish; epistoma slightly prominent: mouth 
pitchy: feelers pitchy; third joint long-conical, much longer than the first 
and second ; sixth bare, very slender: chest and abdomen with a slight 
hoary tinge: chest stout, slightly compressed: abdomen linear, com- 
pressed, much longer than the chest and about half its breadth: a silvery 
band along the hind border of each segment from the first to the third: 
legs rather long and slender; fore-feet rather broad: wings colourless, short 
and narrow ; veins black, pitchy at the base: halteres pitchy. Length of 
the body 3 lines; of the wings 4 lines. 
East Indies. 
CaLopata? BicoLor, Mas et Fem. 
Nigra; caput albo-tomentosum ; antenne ferruginee; abdomen basi et 
sublus fulvum, femine apice attenuatum ; pedes flavi, tibiis posterio- 
ribus bast nigris, tarsis nigris basi flavis ; ale subcineree, antice ful- 
vescentes, apice subfusce. 
Black, shining: head with a shining white covering, clothed beneath 
with white hairs ; face yellow in front; epistoma whitish: mouth yellow; 
palpi tawny: feelers pale ferruginous ; third joint almost conical, much 
more than twice the length of the second ; sixth black, pubescent, slender, 
much more than twice the length of the third: sides of the breast tinged with 
white: abdomen longer and narrower than the chest, tawny towards the 
