900 



ME. G. F. HA.MPSON ON THE CLASSIFICATION [DeC. 17, 



Key to the Genera. 



A. Palpi upturned. 



a. Masiliarj- palpi minute; antennae of male pectinated; 



fore wing with veins 8, 9 stalked 1 . Niphopyralis. 



b. Maxillary palpi well deTeloped ; antennae of male 



non-pectinate. 

 a'. Fore wing with veins 8, 9, 10 stalked ; the outer 



margin angled at vein 3 2. Gonothyris. 



b'. Fore wing with veins 8, 9 stalked ; the outer 



margin evenly curved 3. Cacographis. 



B. Palpi with the 2nd joint porrect, the third upturned ; 



fore wing with veins 7, 8, 9, 10 stalked 6. Banepa. 



C. Palpi porrect. 



a. Fore wing with veins 7, 8, 9, 10 stalked. 



a'. Fore wing with veins 4, 5 stalked; hind wing with 

 vein 4 absent. 



a^. Fore wing with vein 7 from 8 before 9 7. Amestria. 



h^. Fore wing with vein 7 from 8 after 9 8. Macrotheca. 



V . Fore wing with veins 4, 5 from the cell ; hind 

 wing with vein 4 present. 

 a^. Palpi extending about four times length of head ; 



fore wing with vein 1 1 free 9. Brepanodia. 



h^. Palpi extending about twice the length of head ; 

 fore wing with vein 11 becoming coincident 

 with 12 12. Cyclocausta. 



b. Fore wing with vein 10 anastomosing with 7, 8, 9 to 



formanareole 13. Argyrostola. 



c. Fore wing with veins 7, 8, 9 stalked, 10 free. 



a'. Both wings with veins 4, 5 stalked \i. Leucoides. 



b'. Both wings with veins 4, 5 from cell. 



a*. Fore wing with vein 11 becoming coincident 



with 12 ; the apex produced and acute 15. EamUa, 



b^. Fore wing with vein 1 1 free. 



a?. Fore wing with the apex rounded ; both 



wings with the outer margin evenly curved . 16. CompsophUa, 

 ■ b^. Fore wing with the apex produced to a point ; 

 both wings vrith the outer margin produced 

 to a point at vein 4 ^. Midila. 



d. Fore wing with vein 7 from cell. 



a'. Fore wing with veins 8, 9, 10, 11 stalked 6. Acropentias. 



b'. Fore wing with veins 8, 9, 10 stalked. 



a^. Palpi projecting about twice the length of head ; 

 hind wing with vein 7 anastomosing with 8 to 

 near apex, 

 o^. Frons smooth ; abdomen with lateral tufts 



towards extremity 17. Eurycraspeda. 



b^. Frons with a sharp tuft ; abdomen without 



lateral tufts \9i. Brihaspa. 



b'. Palpi projecting about the length of head ; hind 

 wing with vein 7 anastomosing with 8 to about 



three fourths of wing 19. Patissa. 



c'. Palpi projecting about three times length of 

 head ; hind wing with vein 7 slightly anas- 

 tomosing with 8 23. Bonacaula. 



e'. Fore wing with veins 8, 9 stalked, 10 from cell. 

 a^. Fore wing with veins 6, 7 stalked. 



a'. Palpi projecting about the length of head ; 

 fore wing of male with a hyaline vesicle 



beyond the cell 10. Thyridophyra. 



b^. Palpi projecting about twice the length of 



head and downeurved at extremity 20. Styphlolepis, 



