of the Pi/ralidina of the European fauna. 437 



dominant group, abounding in genera and species. 

 Many species ranging into the South European or Central 

 Asiatic regions are outlying stragglers from tropical 

 genera, and hence many genera figure in the list which 

 have small claim to a Palaearctic origin. 



10. 

 11. 



12. 

 13. 

 14. 

 15. 



16. 



Tabulation of Genera. 



Posterior tibiae in ^ with outer middle-spur rudi- 

 mentary, almost obsolete . . 



Posterior tibite in ^ with outer middle-spur deve- 

 loped . . 



Fore wings with vein 10 rising out of 9 or (abnor- 

 mally) coincident . . 



Fore wings with vein 10 rising separate . . 



Face with acute conical horny projection . . . . 12. 



Face without projection . . . . . . . . 10. 



Face with short rounded prominence . . . . 11. 



Face without proininence . . . . . . . . 13. 



Fore wings with vein 10 rising out of 9 



Fore wings with vein 10 rising separate, rarely 

 anastomosing with 9 



Ocelli obsolete . . . . . . . '. . . . . 46 



Ocelli distinct . . 



Tongue obsolete . . . . . . . . . . 47. 



Tongue developed 



Fore wings with ujjturned scale-pecten from vein 1 

 near base benea,th . . . . . . . . . . 37. 



Fore wings without pecten on vein 1 



Fore wings in ^ with veins 7 and 8 curved apart 

 near base, enclosing rough depression beneath 25 



Fore wings in ^ with veins 7 and 8 normal. 



Pcsterior tibife in ^ with outer middle-spur J of 



inner . . . . . . . . . . . . 9. Eurrhypara. 



Posterior tibiae in ^ with outer middle-spur | — 3 

 of inner 



Labial palpi ascending . . . . . . . . 45 



Labial palpi porrected 



Antenna? J to almost 1 . . . . . . . . . 39. 



Antennae f . . . . . . . . . . . . 17. 



Face with more or less strong horny prominence . . 



Face without horny prominence 



Frontal prominence with a vertical edge . . 



Frontal prominence without vertical edge . . 



Frontal i^rominence bounded beneath by a flat 

 anteriorly emarginate plate 



Frontal prominence without flat plate beneath . . 



Fore wings with large scale-tooth on inner margin 24 



Fore wings without large scale-tooth 



3. 



4. 



sclerocona. 



Pekinephela. 



Algedonia. 



PhLYCT/^NIA. 



0. 



13. 



, Cataclysta. 



7. 

 Doxacaula. 

 8. 



DurOXCHELIA. 



9. 



, Pel.ea. 

 10. 



21 



23 



11. 



NVMPHULA. 



12. 

 Stenia. 



Psammous. 

 14. 

 18. 



. CORNLFRONS. 



15. 



. Titanio. 



16. 

 Cyx.eda. 



17. 



