BY FREDERICK A. A. SKUSE. 
1211 
with greyish-fulvous, densely covered with short golden-yellow 
hairs, lateral borders and scutellum with brown setaceous hairs 
pleurie, inetathorax and scutellum light brown. Halteres yellow, 
with apparently no pubescence. Abdomen moderately slender, 
twice the length of the thorax, deep broAvn, the first, second and 
third segments with a narrow border of ochi-aceous posteriorly, 
tolerably clothed with short golden-yellow hair; anal joint 
supporting the genitalia about as long as the fifth and sixth 
abdominal segments together, brown. Coxae and femora ochraceous> 
the hind coxae tinged with brownish, and the hind femora brown 
at the apex ; tibiae and tarsi sordid ochraceous, the latter darker 
than the tibiae, intermediate and hind tibiae slightly tipped with 
brown. TiVjial spurs sordid ochraceous. In the fore-legs the tarsi 
twice the length of the tibiae, the tibiae scarcely longer than the 
metatarsus. Wings a little longer than the entire body, rounded 
off at the apex, almost hyaline, the whole apex of the wing from 
the tip of the anterior branch of the fourth longitudinal vein 
distinctly clouded with brownish-grey ; brilliantly ii’idescent. 
Auxiliary vein indistinctly joining the first longitudinal vein 
considerably before the origin of the third longitudinal vein ; 
costal vein extending almost imperceptibly beyond the tip of the 
second longitudinal vein ; marginal cross-vein situated over the 
basal half of the petiole of the third sub-marginal cell, almost in 
the middle ; and imperceptibly before the base of the second 
po.sterior cell ; fifth longitudinal vein short terminating before the 
base of the second posterior cell. 
Ilah . — Lawson (Masters). One specimen. January. 
Ohs . — Very closely allied to the last. 
Genus 51. Mycetopiiila, Meig. 
Mijcetophila, Meigen, Illig. Mag. II. 1803, p. 20 1 ; Macipiart, 
S. a B. Dipt. I. 1831, p. 128 ; Stieger, Kr. Tid.s.skr. 1840, p. 239 ; 
Zetterstedt, Dipt. Hcand. XI. p. 4174; Walker, Ins. Brit. III. 
1850, p. 10 ; Winnertz, V. z.-b. G. Wien, XITI. 1803, p. 915. 
