BY FREDERICK A. A. SKUSE. 
1187 
A'eins very dark. Auxiliary vein very pale, reaching the costa 
slightly before the tip of the marginal cross- vein ; first longi- 
tudinal vein reaching the costa a short distance beyond the base 
of the fork ; anterior branch of the second longitudinal vein pale 
brown, at an inclination less than 45°, joining the costa at a point 
about I of the distance from the tip of the fii’st longitudinal vein 
to chat of the second longitudinal vein ; costal vein extending 
beyond the tip of the second longitudinal vein about t of the 
distance from that to the tip of the anterior branch of the fork. 
Ilab. — Mossman’s Bay, near Sydney ; Woronora (Skuse). 
September and October. 
Obs. — At the first-named locality I found this species repre- 
sented in great numbers in some caves not far from the sea-shore ; 
at Woronora I took only a single specimen. 
154. Antriadophila electilis, sp.n. 
— Length of antennse.' 0'030 inch ... 0'76 millimetre. 
Expanse of wings 0100 x 0‘035 .. 2‘54 x 0‘88 
Sizeofbody O'lOOxO-015 ... 2-54x0-38 
Antennse slender, about the length of the thorax ; joints of the 
scapus deep brown, appealing very little lighter than the flagellar 
joints, the latter sooty-brown, nearly the same size as the joints of 
the scaiius. Head black. Hypostoma, palpi and proboscis .sooty- 
brown. Thorax black, levigate, with three longitudinal double 
rows of short black hairs ; humeri very slightly tinged with 
lirownish-ochraceous ; lateral borders and scutellum setiferous ; 
pleurte, scutellum and metathorax black. Halteres wholly yellow, 
with very little visible pubescence. Abdomen rather more than 
twice the length, and about the width, of the thorax, black, 
densely covered with short hairs ; underneath greylsh-ochraceous ; 
forceps small. Coxm and femora browni.sh-ochraceous ; tibi:e 
dusky ochraceous ; tarsi fuligijious. Tibial spurs black; lateral 
spines missing (or exceedingly microscopic). In the fore-legs the 
tibiie J longer than the metatarsal joint (3:2). Wings pellucid, 
