ME. WALKER ON DIPTEEA COLLECTED AT MAKESSAE, 
169 
228. Drosophila lurida, n. s. Mas. Atra, capite piceo, arista plu- 
mosa, abdomine lurido subpubescente, pedibus obscure fulvis, alis 
lurido-cinereis, punctis marginalibus nigi’is, vena transversa praebra- 
chiali nigro nebulosa. 
Male. Deep black ; head piceous ; antenme short, 3rd joint elongate- 
conical, arista thinly plumose ; pectus piceous ; abdomen oval, lurid 
red, minutely pubescent, not longer than the thorax ; legs dull tawny ; 
wings lurid grey, blackish at the base, with black points at the tips of 
the longitudinal veins ; veins yellowish ; discal transverse vein straight, 
upright, with a black point at each end, parted by less than its length 
from the border, and by about twice its length from the pracbracliial 
transverse, which is clouded with black. Length of the body 2 lines ; 
of the wings 4 lines. 
229. Drosophila lateralis, n. s. Mas. Fulva, subtus testaeea, 
abdomine maculis lateralibus nigris, pedibus halteribusque testaceis, 
alis cinereis. 
Male. Tawny, testaceous beneath ; antenme short, 3rd joint conical, 
arista plumose ; abdomen not longer than the thorax, with black spots 
along each side ; legs and halteres testaceous ; wings grey ; veins 
black. Length of the body 1 1 line ; of the wings 3 lines. 
Gen. Discomyza, Meigen. 
230. Discomyza obscurata, n. s. Firm. Cinereo-nigra, capite ab- 
domineque nigris nitentibus, antennis obscure rufis, arista plumosa, 
pectoris lateribus albido conspersis, alis cinereis fascia informi maeu- 
laque apicali nigricantibus, halteribus albis. 
Female. Cinereous black ; head black, shining ; antenme short, dark 
red, 3rd joint conical, longer than the 2nd, arista thinly plu- 
mose ; sides of the pectus with minute whitish speckles ; abdomen 
elliptical, flat, black, shining, longer than the thorax ; legs black ; 
wings grey, with an irregular blackish band which does not extend to 
the hind border, and with a blackish apical spot ; veins black ; discal 
transverse vein straight, oblique, parted by much less than its length 
from the border, and by very much more than its length from the 
prsebrachial transverse, which is clouded with black ; halteres white. 
Length of the body 2 lines ; of the wings 3 lines. 
Gen. Nomba, n. g. 
Mas et Fcem. Corpus latum, crassum. Frons lata. Antennis brevis- 
simm ; articulus 3 ua subrotundus ; arista subpubescens. Thorax sub- 
pubescens, quasi coriaceus ; scutellum parvum ; metathorax maximus, 
abdomen alasque incumbentes obtegens. Pedes breves, robusti ; fe- 
mora subincrassata ; tibiae arcuatae. Alee parvse. 
Male and Female. Body broad, thick, compact. Head almost as broad 
as the thorax ; front broad, narrower than the epistoma ; face vertical. 
