276 INSECTA SAUNDERSIANA. 
the length ; fourth joint a little shorter than the fifth which is not more 
than one-sixth of the sixth: chest tinged with gray ; scutcheon dull tawny : 
abdomen. tessellated with hoary and black ; tip red: legs black: wings slightly, 
gray ; veins pitchy, ferruginous towards the base and along the fore border; 
prebrachial vein forming a slightly acute angle at its flexure, near whieh it 
is much bent inward ; lower cross-veins with two curves, the lower inward, 
much less distinct than the upper which is outward: alule white: halteres 
tawny. Length of the body 5 lines; of the wings 10 lines. 
Columbia. 
Tacuina Futya, Mas, 
Testacea ; caput flavum ; scutellum fulvum ; abdomen piceum, segmentis 
fulvo fasciatis ; antenne picee ; pedes fulvi, femoribus nigris ; ale 
subcineree, basi et ad costam fulve. 
Head and thorax with a testacevus covering: head pale yellow and 
thickly clothed with yellow hairs beneath; face and epistoma whitish, 
shining: proboscis black with a ferruginous tip: palpi pale tawny, very 
slender : feelers pitchy ; third joint very convex above and beneath, almost 
truncated at the tip, much shorter than the second and about twice its 
depth; fourth, fifth and sixth tawny: scutellum tawny: abdomen pitchy, 
with a broad, bright, tawny band on the fore border of each segment; a few 
black spines on each hind border: legs tawny; thighs black, with a testa- 
ceous covering : wings pale gray, with a tawny tinge at the base and along 
part of the fore border; prebrachial vein forming a right angle at its 
flexure ; lower cross-vein slightly waved: alule whitish with yellow bor- 
ders. Length of the body 5 lines; of the wings 124 lines. 
East Indies. 
* 
TACHINA CONVECTA. 
Canescens ; thorax nigro quadrivittatus ; pedes nigri ; ale limpide. 
Black, with a hoary covering, beset with bristles: frontalia pitchy, 
slightly widening from the eyelets to the feelers ; facialia of the face with- 
out bristles; epistoma not prominent: third joint of -the feelers about four 
times the length of the second, divided into two parts which are equal in 
length, slightly curved, and converge towards each other at their tips; fifth 
