339 



NEW FORMS OF BUTTERFLIES FROM AFRICA. 



By J. J. JOICEY and G. TALBOT. 



PIE BID AE. 



1. Mylothris canescens sp. nov. 



Perhaps allied to nubila Mosch., but distinguished by large marginal 

 spots and grey dusting over the cell. 



2 . Upperside of fore wing with broad fuscous apical area joined 

 to three marginal spots, merged at the margin and pointed on the 

 veins ; spot on vein 2 smaller, and a small spot at end of submedian. 

 Costa narrowly fuscous. Cell bluish-grey and interspaces between 

 the cell and apical area dusted with this colour, also to a less extent 

 in cellule 2, and below the cell. Hind wing with six rounded marginal 

 spots all separate. 



Underside of fore wing slightly dusted with fuscous. Marginal spots 

 on submedian, 2, 3, and 4 separate and rounded, those on veins 5, 6, 

 and at apex joined together. Upper edge of cell at base orange-yellow. 

 Hind wing with marginal spots as above. Cellule 8 orange-yellow. 



Length of fore wing : 28 mm. 



Osa-Lowa Watershed, Eastern Congo, August, 1921, T. A. Barns, 

 one 2 . 



2. Pieris brassicoides Luc. meridionalis subsp. nov. 



2 . Fore wing with broader black margin. Underside of fore wing 

 with spots a little larger, the one below vein 2, produced more distad. 

 Hind wing with veins more heavily black. Costa with yellow edging 

 reaching spots before the apex. No spot in 3. 



? . Fore wing with broader margin, a broad white apical stripe 

 in 6, a narrower one in 7, a shorter one in 5, clouded stripes in 3 and 4. 



Underside with apex of fore wing and the hind wing with only 

 slight yellowish tinge. Hind wing with spot in 6 obsolete. 



Highlands of the Great Craters, Arusha district, Tanganyika 

 territory, 7,500 to 8,800 feet, February to March, T. A. Barns, ten 

 2 2 , two ? ? . 



This species was hitherto known only from Abyssinia. 



