320 



Mr. Chr. Aurivillius on New African 



b. Stripes of fore-wing continuous 

 and even. 



1. Discal stripe of fore-wing very 



oblique, ending at apex of vein 

 8 ; veins of fore-wing white, 

 distinctly paler than the 

 ground ..... 



2. Discal stripe of fore-wing less 



oblique, ending at apex of fore- 

 wing. Veins of fore-wing not 

 paler than the ground 



* *. Body and wings fuscous, mouse- 



colour 



0. Costa of fore-wing not yellow. Palpi 

 not, or only pale orange. Discal 

 stripe oblique. 

 *. Body and wings milky-white or 

 greyish. Outer stripe narrow, 

 submarginal .... 



* *. Body and wings dark fuscous. 



Stripes of fore-wing blackish ; 

 outer stripe broad marginal, 

 composed of large spots 



B. Tarsi not ringed, unicolorous. 

 a. Fore-wing with a white or silvery 

 mark at end of cell. 

 *. Fore-wing reddish-fawn colour, 

 with three oblique darker 

 stripes. Discocellular white 

 mark of fore-wing short and 

 straight ..... 



**. Fore- wing greyish or cinereous, 

 with only one oblique, nearly 

 submarginal stripe. Disco- 

 cellular mark angulated. 

 a. Discocellular white mark short, 

 not produced at hind angle 

 to the middle of cell ; ob- 

 lique stripe waved and dent- 

 ate, not bordered with white . 



2. B. continua, Auriv. 



3. B. obliquata, Klug. 



4. B.fumosa, Dist. 



5. B. wallengreni, Auriv. 



6. B. bettoni, Auriv. 



7. B. prompta, Walk. 



8. B. levenna, Wallengr. 



