166 ME. WALKER ON D1PTERA COLLECTED AT MAKE3SAK. 
5th segment with a black dot on each side ; wings pale cinereous, 
tinged with yellow; veins yellow; discal transverse vein straight, 
oblique, parted by hardly more than one-fourth of its length from the 
border, and by more than its length from the prtebrachial transverse. 
Length of the body 5 lines ; of the wings 10 lines. 
219. Psila munda, n. s. Mas et Foem. Nigra, nitens, facie testacea 
nigro notata, antennis testaceis basi nigris, arista plumosa, thoraee 
subcinerascente, scutello obscure testaceo, pedibus testaceis, alis cine- 
reis apud costam nigricantibus, halteribus albidis. 
Male and Female. Black, shining; head testaceous, blackish above; 
disk of the face black, shining : antennae short, testaceous, black at 
the base ; 3rd joint linear, rounded at the tip, about twice the length 
of the 2nd ; arista plumose : thorax linear, with slight cinereous 
tomentum ; scutellum dull testaceous ; abdomen fusiform, a little 
longer than the thorax ; legs testaceous ; wings grey, blackish along 
the costa towards the tips ; veins black ; discal transverse vein straight, 
upright, parted by about half its length from the border, and by 
nearly thrice its length from the priebraehial transverse ; halteres 
whitish. Length of the body 2$-3 lines ; of the wings 4-5 lines. 
Gen. Texara, Walk. 
220. Texara dioctrioides, n. s. Mas et Foem. Nigra, longa, gra- 
cilis, capite nigro-cyaneo, tliorace vittis quatuor cinereis, segrnen- 
torum abdominalium lateribus albo marginatis, pedibus fulvo fasciatis, 
alis cinereis, halteribus testaceis. 
Male and Female. Black, long, slender ; head bluish-black, white about 
the eyes in front ; antennae of the male pieeous, of the female tawny, 
3rd joint round, arista minutely pubescent; thorax with four cine- 
reous stripes ; abdomen about twice the length of the thorax, cylin- 
drical towards the base, subclavate in the male and elongate-fusiform 
in the female liindward : hind borders of the segments white on each 
side ; fore femora, hind tibiae and hind tarsi tawny at the base ; mid- 
dle legs and hind femora tawny, the latter with a broad black band ; 
fore tibiae white, black at the base ; wings grey ; veins black ; discal 
ti’ansverse vein straight, upright, parted by less than its length from 
the border, and by almost four times its length from the praebrachial 
transverse ; halteres testaceous. Length of the body 4-4$ lines ; of 
the wings 6-7 lines. 
Gen. Gobrya, n. g. 
Mas. Corpus gracillimum. Caput thoraee multo latius ; frons sat an- 
gusta ; facies plana. Oeuli magni. Antennee brevissimae ; articulus 
3 US conicus ; arista pubescens. Thorax sat parvus. Abdomen cylin- 
drieum, gracillimum, apice clavatum, thoraee duplo longius. Pedes 
graciles ; anteriores breves ; postici longiusculi. Alee perangustae. 
