PLATE VI

1. Head of Mycetophila to show the position of the two ocelli.

2. Fore-leg of Dilophus

3. Fore-leg of Bibio

4. Palpus of Limnobia

5. Palpus of Tipula

6. Palpus of Anopheles

7. Palpus of Culex

8. Foot of Dilophus

9. Foot of Leptis