204 INSECTA SAUNDERSIANA. 
fore borders of the segments: legs black: wings slightly gray, brownish at 
the base ; veins black, ferruginous at the base; prebrachial vein forming 
an obtuse angle at its flexure, very slightly curved inward from thence to 
its tip ; lower cross-vein with two slight curves, the lower inward, deeper 
than the other which is outward: alule white: halteres tawny. Length 
of the body 53 lines; of the wings 10 lines. 
Columbia. 
TACHINA UMBRIFERA. 
Nigra, aurata; thorax nigro quadvivittatus ; abdomen fuluum, nigro 
vittatum fasciatum et terminatum; antenne et pedes nigra; ale 
fusce. 
Fam. Faunide; Gen. Lydella. Mas. Black: head and chest with 
a gilded covering ; frontalia deep black, widening from the eyelets to the 
- feelers, beset with bristles along each side; facialia without bristles except 
at the base; epistoma not prominent: eyes bare: palpi tawny: feelers 
black; third joint linear, almost truncated at the tip, not reaching the 
epistoma, as deep as the second and about twice its length; sixth slender, 
more than twice the length of the third: chest with four black stripes ; 
inner pair slender; outer pair broad: abdomen tawny, obconical, a little 
longer than the chest, with a black stripe, black bands on the hind borders 
of the segments and a black tip: wings dark brown, gray along the hind 
borders towards the base ; veins black, tawny at the base ; prebrachial vein 
forming an obtuse angle at its flexure, almost straight from thence to its 
tip; lower cross-vein with the two curves which are rather slight: alule 
and halteres yellow. Length of the body 4 lines; of the wings 8 lines. 
Brazil. 
Tacuina compacta, Fem. 
Nigra, aurata; caput antice et subtus argenteum ; scutellum margine pos- 
tico ferrugineum ; abdomen nigro vittatum et fasciatum, basi nigrum, 
subtus canum ; antenna ferruginee ; pedes nigri ; ale subcineree. 
Fam. Faunide; Gen. Athrycia? Black, with a pale gold co- 
vering which decreases in brightness from the head to the abdomen: head 
