29. Head of Drymia
30. Head and proboscis of Stomoxys calcitrans
31. Dorsum of Culex—no cross-seam
32. Dorsum of Tipula—cross-seams (a—a), (disregarding characters other than cross-seams)
33. Dorsum of Muscid (disregarding characters other than cross-seams)
34. Extremity of abdomen of Pedicia rivosa
35. Head of Stenopteryx sunk in shoulders
36. Foot and claws of Hippobosca
37. Puparium of Calliphora
38. T-shaped emergence-orifice in the pupa of Dixa—dorsal aspect