1138 
DIPTERA OF AUSTRALIA, 
of a vein, joining the margin. Fifth longitudinal vein very 
rudimentary. Wing microscopically pubescent. Abdomen with 
six segments. 
Genus 36. Azana, Walk. 
Costal vein extending beyond the tip of the second longitudinal 
vein. Auxiliary vein a short rudiment. Inner marginal cell very 
narrow, almost linear. Anterior branch of the third longitudinal 
vein, anterior branch of the fourth longitudinal vein, and the fifth 
longitudinal vein missing. Surface of the wing microscopically 
pubescent. Abdomen with six segments. 
Genus 37. Para.stemma, Grz. ' 
Costal vein extending beyond the tip of the second longitudinal 
vein. Auxiliary vein very short, terminating in the first longi- 
tudinal vein ; sub-costal cross-vein missing. Inner marginal cell 
lengthened, its apex, however, not reaching as far as the base of 
the second sub-marginal cell. Petiole of the second sub-marginal 
cell moderately long. Base of the second posterior cell situated 
before the base of the second sub-marginal cell. Surface of the 
wing microscopically pubescent. Abdomen with seven segments. 
B. Three ocelli, one on the inner border of each of the 
compound eyes, the third one situated in the middle of 
the anterior border of the front. 
Sidj-costal cross-vein missing. 
Surface of the icing microscopically pmbescent. 
Abdomen of the ^ with six segments. 
Genus 38. Docosia, Winn. 
Costal vein extending far beyond the tip of the second longitudina 
^•ein. Auxiliary vein moderately long, bent posteriorly, ending in 
the fii'st longitudinal vein, or bent anteriorly without reaching the 
costa. Apex of the inner marginal cell lying before the base of 
the second sub-marginal cell or somewhat beyond it. Fork of the 
third longitudinal vein long, its petiole short. Base of the second 
posterior cell lying immediately before the base of the second sub- 
marsrinal cell. 
