. On the importance of larval characters in the classification of mosquitoes . gomyia sii^ens. 2. Culex (atypical). 3. Mi-lanoconion, n. (atypical). Clypeal hairs. Clypeal hairs of Stegomyia sugens.„ ,, „ fasciata. ,, ,, scufellaris. (?) Head of Toxorhynchites speciosus (after Theobald). Head of Culex concolor. Mouth parts of M. scataphagoides showing concave clypeus, modifiedbrushes, mandibles, and small 15. Mouth parts of Culex concolor. Fig. 16. Eighth and ninth abdominal segments of M. 17.

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. On the importance of larval characters in the classification of mosquitoes . gomyia sii^ens. 2. Culex (atypical). 3. Mi-lanoconion, n. (atypical). Clypeal hairs. Clypeal hairs of Stegomyia sugens.„ ,, „ fasciata. ,, ,, scufellaris. (?) Head of Toxorhynchites speciosus (after Theobald). Head of Culex concolor. Mouth parts of M. scataphagoides showing concave clypeus, modifiedbrushes, mandibles, and small 15. Mouth parts of Culex concolor. Fig. 16. Eighth and ninth abdominal segments of M. 17. „ „ ,, „ Culex tigrtpes. Fig. 18. ,, ,, ,, ,, Culex concolor. Fig. ig. „ „ „ ,, Toxorhynchites (after Iheobald) Fig. 20. Position at rest of Culex fatigans, 21. ,, „ Tzniot hynchus tenax, \ax\ Fig. 22. ,, „ Stegomyia. Fig. 23. Position in progression of larva w ith enormous siphon 24. „ at rest „ „ „ „ Fig. 25. „ „ Culfx concolor, larva. 4- 5- 6. 7- 8. Figs. 9- -I I. 9- TO. I I. Fig. 12. Fig- 13- Fig. 14. PLATE a. PMcista . ^cuteUarij (?) inyia ?ug^os PiJ. 10. Fi«. U Fl_5 -i.

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