MR. WALKER ON DIPTERA COLLECTED AT MAKESSAR. 
145 
2° longior ; arista pubescens. Abdomen brevi-ovatum, thorace multo 
brevius. Pedes simplices. Alts medioeres. 
Female. Body moderately stout. Head transverse, almost as broad as 
the thorax, somewhat flat above; proboscis and palpi very short. 
Antenna: shorter than the breadth of the head ; 3rd joint lanceolate, 
longer than the 2nd ; arista pubescent. Abdomen short-oval, much 
shorter than the thorax. Legs simple, moderately long. Wings of 
moderate size ; veins of the usual structure. 
163. Amblada atomaria, n. s. Fcem. Cinerea, capite guttis qua- 
tuor fuseis maculisque duabus atris, arista alba filiformi, thorace 
hneis duabus punctisque plurimis fuseis, abdomine fulvo segmentorum 
marginibus nigro punctatis, pedibus fulvis, tibiis albidis nigro bifas- 
ciatis, alls lurido-cinereis. 
Female. Cinereous ; head white about the eyes, with two brown dots 
on each side of the vertex, and w ith a deep black spot on each side in 
front ; antennae cinereous-brown ; arista white, filiform, seated on the 
base of the 3rd joint, which it much exceeds in length ; thorax with 
two slender brown lines and with very numerous brown points ; ab- 
domen tawny, with black points on the hind borders of the segments ; 
legs tawny ; tibiae dingy whitish, with two black bands on each ; wings 
grey, with a lurid tinge ; veins tawny, black by the costa at the base ; 
discal transverse vein straight, upright, parted by less than its length' 
from the border, and by full twice its length from the pnebrachial 
transverse ; halteres testaceous. Length of the body 24 lines ; of the 
wings 5 lines. 
Gen. Sepedon, Latr. 
164. Sepedon Javanensis, Desv. Essai Myod. 6//. 2. 
Inhabits also Java. 
Subfam. Lauxanides, Walk. 
Gen. Lonchosa, Fallen. 
165. Lonchosa? punctipennis. Fa>m. Nigra, nitons, capite an- 
taco argenteo, antennarum articulo 3 0 longe-conieo, arista plumosa, 
tarsis halteribusque piceis, alis cinereis basi nigris puncto costal! 
nigro. 
Female. Black, shining, with several stout bristles ; head silvery in 
front; face flat; antennae short; third joint elongate-conical, arista 
very plumose ; abdomen oval, convex, a little shorter and narrower 
than the thorax ; tarsi and halteres piceous ; wings grey, black at the 
base, with a black costal point at the tip of the subcostal vein ; veins 
yellowish, black at the base ; costal vein blaek ; discal transverse vein 
straight, upright, parted by less than its length from the border and 
by nearly twice its length from the prfebrachial transverse. Length 
of the body 2\ lines ; of the wings 44 lines. 
LINN. PROG.— ZOOLOGY. 
10 
