GEOMETEID^E. 



a 3 . Fore wing with apex produced ; hind 



wing with the outer margin produced [p. 241. 



at vein 4 60. AMBLYCHIA, 



b\ Fore wing with the apex, hind wing 



with the outer margin rounded 63. ELPHOS, p. 249. 



b' 2 . Fore wing with vein 11 given off from 12 . 61. CHORODNA, 

 b'. Palpi porrect. [p. 243. 



a 2 . Wings broad, the outer margin of fore 



wing suberect. 



a 3 . Fore wing with veins 7, 8, 9, 10 stalked, 

 11 free ;" the apex rounded ; tf with 



fovea ; the cilia non-crenulate 64. XANDRAMES, 



b 3 . Fore wing with veins 10 and 11 from the [p. 250. 



cell or stalked ; the cilia crenulate. 

 a*. Fore wing with the costa not arched 

 at base ; the apex quadrate ; rf with no 



fovea 65. GNOPHUS, p. 251. 



6 4 . Fore wing with the costa arched at base ; 



the apex rounded ; rf with fovea 66. BYLAZORA, p. 253. 



c 3 . Fore wing with vein 10 free; 11 from 12; 

 the apex rounded ; the cilia non-crenu- 

 late 67. OPHTHALMODES, 



6 a . "Wings narrower; fore wing with the apex [p. 255, 



more produced and the outer margin 

 oblique. 



a 3 . Hind wing with the cell extending to two- 

 thirds length of wing ; palpi short . , . . 62. BISTON, p. 245. 

 b 3 . Hind wing with the cell normal, about 



half the length of wing ; palpi longer. 

 a 4 . Hind wing with the outer margin 



rounded. 

 a 5 . Fore wing with vein 11 not given off 



from 12. 



a 6 . Wings with the outer margin crenu- 

 late 68. BOARMIA, p. 256. 



fe 6 . "Wings with the outer margin non- [p. 290. 



crenulate ; vein 11 free ; $ with fovea. 70. ARICHANNA, 

 6 5 . Fore wing with vein 11 given off from [p. 283. 



12 69. MEDASINA, 



6 4 . Hind wing with the outer margin 



irregular, and more or less produced or [p. 295. 



angled at veins 4 and 7 71. EREBOMORPHA, 



Genus URAPTERYX. 

 Urapteryx, Leach, Zool. Misc. i, p. 79 (1814). 



Type, U. sambucaria, Linn., from Europe. 



Range. Palsearctic and Oriental regions. 



Antennae simple and somewhat thickened and flattened ; palpi 

 short and porrect, meeting a slight frontal tuft. Fore wing arched 

 towards apex, which is somewhat produced and acute ; vein 3 from 

 angle of cell ; 7, 8, 9 stalked from upper angle ; 10 absent ; 11 

 anastomosing with 12. Hind wing with vein 3 from angle of 

 cell. 



