350 Annals of the Sotcth African Museum. 



a-. Hindwing with veins 3, 4 stalked Authadistis. 



b^. Hindwing with veins 3, 4 from cell Proconis. 



c'. Frons without prominence. 



a=. Forewing without antemedial lobe and scale-tooth on inner margin. 

 a3. Palpi with the second and third joints upturned ; frons without 

 tuft of hair. 



tf*. Palpi with tufts of hair on inner side of 

 second joint at extremity and on inner 



side of third joint Meliaha. 



M. Palpi without tufts of hair on inner side of second and third 

 joints. 

 fl5. Palpi with the second joint broadly 



scaled in front CoJesia. 



fcs. Palpi with the second joint smoothly scaled in front. 

 ft*. Palpi with the third joint very long. 

 a7. Palpi with the second joint 



reaching above vertex of head . . Mecodina. 

 hT. Palpi with the second joint not reaching vertex of 

 head. 

 a^. Hindwing with veins 3, 4 



stalked or coincident . . . . Mesogenea. 

 b^. Hindwing with veins 3, 4 



from cell Fodina. 



b^. Palpi with the third joint minute . . Bareia. 

 f)3. Palpi with the second joint upturned, the third porrect ; frons 

 with tuft of hair. 



a*. Palpi with the third joint prominent . . . . Thermesia. 

 b*. Palpi with the third joint minute, hidden 



in scales Acantholipes. 



c^. Palpi with the second joint porrect, the third 



upturned; frons with tuft of hair Paratherme^. 



f/3. Palpi porrect JRhanidophora. 



e3. Palpi rostriform, the second and third joints 



triangularly sealed Hypocala. 



b-. Forewing with antemedial lobe and scale-tooth on inner margin. 

 ft3. Palpi upturned. 



ft"*. Palpi with the second joint broadly scaled 



in front Plusiodonta. 



b*. Palpi with the second joint smoothly scaled 



in front Mcenas. 



b3. Palpi porrect Calpe. 



B. Forewing with veins 7, 8, 9 stalked, 10 from cell Earias. 



Genus PEIONOFEONTIA, nov. 



Proboscis fully developed ; palpi upturned, the second joint reach- 

 ing vertex of head and fringed with scales in front, the third long ; 

 frons with large prominence with vertical saw-like corneous edge in 

 front ; antennaB of male bipectinate with short branches ending in a 

 bristle ; tibiae fringed with spinous hair above ; abdomen with large 

 dorsal crests. Forewing with slight scale tooth at tornus ; veins 3 



