Bntish Ilomoptera-Cicadina. 129 



Fig. 10. Cicadetta, elytron. 



„ 11. Centrotus, pronotnm and scntellum. 



,, 12. Gargara, crown, pronotinu, and scntellum. 



,, 13. Tettigometra, crown, pronotum, and scntellum. 



,, 14. Issus, iipper side. 



,, 15. Oliarus, crown, pronotum, and scutellimi. 



,, 16. Cixius ,, ,, 5) 



,, 17. Asiraca, a antenna, b fore leg. 



„ 18. Delphax, a antenna, b hind leg. 



,, 19. Liburnia, face. 



,, 20. Dicranotropis, face. 



,, 21. Stiroma, face. 



,, 22. Trlccylwra, crown, pronotum, and scutellum. 



,, 23. Ai^liropliora ,, ,, >> 



,, 24. PllilcBHUS ,, n 11 



„ 25. Ledra, head and pronotum (front view). 



,, 26. TJlopa, face. 



Plate II. 

 Fig. 1. Bythoscopus, crown, pronotum, and scutellum. 



,, 2. Macropsis, face. 



,, 3. McgojjJithalmus, crown, pronotum, and scutellum. 



,, 4. Idiocerus, crown, pronotum, and scutellum. 



,, 5. Agallia, face. 



,, 6. Pediopsis, crown, pronotum, and scutellum. 



,, 7. Lihttrnia straminea <?, genital style dissected out and 

 view from the side (the point of view mentioned has in 

 all cases reference to the position of the organs when 

 in situ). 



,, 8. Liburnia straminea 3 , anal tube viewed from below. 



,, 9. Idiocerus viduatns 2 > elytron. 



,, 10. Liburnia Fairmairei 3 , styles viewed from behind. 



,, 11. Pediopsis fascinervis, face. 



,, 12. Liburnia hrcvipcnuis 6 , styles viewed from behind. 



13. ,, ^itifiitZtt J , styles viewed from above. 



14. ,, ■y/Z^/jjc/mis (5" , styles viewed from above. 



15. ,, ,S'/y/(ort'i'( J , styles viewed from behind. 

 ,, 10. ,, Fieberi 3 , >> " " 



,, 17. ,, Boldi 3 , ,, ., ). 



