ACH^A. 505 



e'. Hind wing without white spots at apes and on 



terinen at discal fold. 



a?. Fore wing with the postmedial line not waved. 



a?. Fore wing with the postmedial line angled 



outwards at vein (3, then obliquely incurved. 



a*. Fore wing with dark medial shade ; hind 



wing with the basal area dark brown ... umhrigera. 

 b^. Fore wing without dark medial shade ; 

 hind wing with the basal area grey- 

 brown. 

 a^. Hind wing with the medial band 



ochreous trapezoidcs. 



b^. Hind wing with the medial band grey- 

 brown faber. 



b^. Fore wing with the postmedial line escurved 



below costa, then obliquely incurved indderminata. 



b'. Fore wing with the postmedial line waved. 

 a?. Fore wing grey-brown. 



a*. Fore wing with the terminal area gi'ey 

 except at apex. 

 a^. Fore wing with the inner edge of the 



terminal area rather diffused borls 



b^. Fore wing with the inner edge of the 



terminal area sharply defined finita. 



b-^. Fore wing with the terminal area not 

 gi-ey- 

 a^. Fore wing with the cilia white except at 



apex and tornus albicUia. 



b^. Fore wing with the cilia brownish. 

 a^. Fore wing without semielliptical patch 

 on apical part of costa. 

 «^. Fore wing with the lines double ... diplographa. 



6'. Fore wing with the lines single sordida. 



b^. Fore wing with semielliptical patdi 

 on apical part of costa, 

 a'. Fore wing with the apical patch 



bright rufous thcrmopera. 



b~'. Fore wing with the apical patch 

 dark, sometimes tinged in part 



with rufous phaobasis. 



b^. Fore wing red-brown. 



a*. Fore wing with conical whitish patch on 



costa towards apex albifimbria. 



b^. Fore wing without conical whitish patch 



ou costa towards apex xanthodera. 



7627. Achsea prsestans. (Plate CCXVII. fig. 7.) 



OpMsma prcBsians, Guen. Noct. iii. p. 241, pi. 22. f. 2 (1852). 

 Ophiusa bryoxantha, Hmpsn. Ann. S. Afr. Mus. ii. p. 340 (1902). 



5 . Head, thorax, and abdomen red-brown slightly mixed with 

 white ; tarsi ringed with whitish. Fore wing red-brown suffused 

 with sap-green, the basal inner area, inner half of postmedial area 

 and a semielliptical patch on apical part of costal area less suffused ; 

 a small tuft of white-tipped scales below base of cell with a white 

 point beyond it in the cell ; an indistinctly double curved brown 

 subbasal line from costa to submedian fold ; antemedial line double, 

 brown, sinuous, slightly angled inwards in submedian fold ; a 



