DIPTHRA, 285 
antenne ferruginous ; third joint nearly twice the length of the second, 
almost linear, not reaching the epistoma, slightly decreasing in breadth 
from the base to the tip which is rounded ; bristle pitchy, stout, bare, very 
much longer than the third joint: chest gray, with four slender. black 
stripes ; sides and scutcheon ferruginous : abdomen deep black, tip gray : 
wings brown, ferruginous at the base; prebrachial vein forming an obtuse 
angle at its flexure, slightly curved from thence to its tip. Length of the 
body 6 lines ; of the wings 14 lines. 
Brazil. 
TACHINA CONTERMINA, Fem. 
Nigra; caput ferrugineum, antice luteum; thorax cinereus, nigro quad- 
rivittatus ; abdomen atrum, apice cinereum ; antenne picee, basi ferru- 
ginee; ale fusce, basi ferruginee. 
Black: head ferruginous: stemmatic part and sides of the frontal 
region pitchy: face luteous: feelers pitchy; first and second joints partly 
Serruginous ; third a little more than twice the length of the second: chest 
gray, with four slender black stripes : abdomen deep black with a gray tip. 
Length of the body 6 lines; of the wings 14 lines. 
a. South America. 
TACHINA BASALIS. 
Cinereus ; thorax nigro quadrivittatus ; abdomen nigrum, apice canum ; 
antenne picee, basi ferruginee ; ale fusca, basi subluride. 
Black: head tinged with gray; frontalia ferruginous; face white: 
facialia beset with bristles which extend about two-thirds of the length 2 
feelers pitchy ; first and second joints partly ferruginous ; third full twice 
the length of the second: chest gray with four slender black stripes ; 
seutcheon pitchy: abdomen with a hoary tip: wings brown, darker and with 
a lurid tinge towards the base which is ferruginous. 
Fem.? Front and frontalia black, with a hoary tinge; facialia beset 
with bristles which hardly extend along half the length: abdomen with a 
dark gray band near the tip. 
Length of the body 7—8 lines; of the wings 17—18 lines. 
South America. 
2P 
