(6) upper hind side
(7) under hind side
(8) under fore side
17 & 18. Base of wing, illustrating the difference in O, 61 respectively in
17. Urophora
18. Trypeta
19. Profile of Drosophila
20. Profile of Ceratomyza denticornis
21. Profile of Tichomyza fusca
22. Antennæ of Notophila cinerea; note the "thorn" on second joint