( 194 ) 



Faniia of Bnrma, fJhina, and adjacent countries is better explored. 0. suhstrigilis 

 occurs from Ce^'lou and North India to Java and the Philippines, and is replaced 

 farther east by uilchi in New Gninea and Qneensland, and a ver}' peculiar 

 modification, named tneeki, on the Solomon Islands ; no representative of the 

 substrigilis-gvQwp has as yet been found on the Moluccas, and substngilis itself is 

 the only one found of this group in the Malayan Subregion. 0. ocliracea occurs 

 from North India to Jaiian. 0. siihoeelhitn ranges from Ceylon and North India 

 to Java, Borneo and China, and is replaced forther east by semijercens on the 

 Moluccas, and by doJierti/i in New Guinea and tlie Solomons. 



Key to the species : 



A. Greenish olive band on thorax about 1 mm. 



broad in middle, or indistinct, or absent; 

 subbasal spots of forewlng encircled 

 with white. 

 ((. Forewing above with three or two snli- 



basal spots behind cell ..... i. 

 Forewing above with one spot behind cell ; 

 the spot often incised . . . .171. 0. dohfvtyi. 

 h. No olive band on mesothorax . . 170. 0. semiforrens. 



With olive band on mesothorax . . 16'.i. 0. siihocellnta. 



B. Band of thorax broader ; three contiguous 



postcellular subbasal spots on forewing 

 besides a spot ir) the cell : upperside 

 whitish grey KiS. 0.c««<'w^ws(Pl.IX.f.5,c?). 



C. Band of thorax more than 1 mm. wide in 



middle ; one subbasal postcellular spot 

 on the forewing, or a broad subbasal 

 band. 



c. A broad olive subbasal b.and on forewing 167. O.japonica. 

 A single rounded postcellular spot . . . . d. 



d. Forewing with rounded subbasal costal 



spot beyond the subbasal bar ; eighth 



tergite of cJ with or without a mesial 



patch e. 



Forewing without a spot beyond the bar, 



or there is only a longitudinal dash ; 



eighth tergite of S without a patch ; 



or hiudwiug with blackish basal patch . . i. 

 Forewing with a small costal spot bej'ond 



the bar, situated in a grey oval spot ; 



grey median interspace sharply defined, 



less than 3 mm. wide behind . . 166. 0. meeld (PI. I. f. 2, S). 



e. Basal area of hindwing brown ; ante- 



median and first discal lines of forewing 

 joining each other at SM-, the median 

 area therefore not extended to liinder 

 margin, both the costal and postcellular 

 basal spots very large . . . . l.")8. o. /VwM PI. IX. f. 1, ? ). I 



