IV 



14. F. W. with vein 10 out of 8 . 

 F. W. with vein 10 separate . 



15. H. W. without black scales in clor.«al cilia ; 



frons often with horny cone ; anal 

 angles of segments of F. W. weak 

 H. W. usually with black scales in dorsal 

 cilia ; frons without horny cone ; anal 

 angles of both segments of F. W. usual- 

 ly prominent ..... 



16. F. W. with vein 7 absent 

 F. W. with vein 7 present 



17. F. W. with vein 10 separate . . 



F. W. with vein 10 (coincident with 9) out 

 of 8 



Oxyptilus (par1r)i 

 15 



Stenoptilia. 



Platyjtilia. 

 Alucita. 

 17 

 Oidooiuatophorusi 



Psclnophorus. 



