412 Annals of the South African Museum. 



suddenly to apex, of female with short branches ; hind tibia with one 

 pair of spurs ; abdomen without crests. Forewing rather short and 

 broad ; vein 3 from long before angle of cell ; 5 from near angle ; 

 7, 8, 9 stalked ; 10, 11 from cell. Hindwing with vein 3 from before 

 angle of cell ; 6, 7 stalked. 



Sect. I. Forewing with vein 6 from angle of cell ; hinclwing with vein 5 from just 



above angle. 



(1) PTEKEDOA USEBIA, Swinh. Trans. Ent. Soc. 1903, p. 382. 



Hab. British Central Africa, Likorna (de Jersey) ; Delagoa Bay 

 (H. Junod). Exp. 34 mill. 



Sect. II. Forewing with vein 6 from below angle of cell ; hinclwing with 

 vein 5 from well above angle ; fore tibia with the process long 

 and arising from base. 



(2) PTEREDOA PLUMOSA, n. sp. 



Head, thorax, and abdomen white ; vertex of head orange ; 

 antennae of male with the branches brownish ; wings uniform white 

 and almost hyaline, clothed with bifurcate hairs. 



Hab. Mashonaland, Salisbury (Marshall). Exp. 30-34 mill. 



GENEKA AUCTOEUM. 



Homceomcria flavicapilla, Wllgrn. Wien. 



Ent. Mon. iv. p. 163 (1860) ; id. K. Vet. 



Akad. Handl. (2) 5 (4) p. 36 (1865) ... Cape Colony. 

 Pygetera boidingii, Feld. Eeis. Nov. pi. 99, 



f. 8 (1874) ; Kirby, Cat. Het. p. 446 ... Cape Colony. 

 Oreinobia scurrilis, Wllgrn. Wien. Ent. 



Mon. iv. p. 163 (1860); id. K. Vet. 



Akad. Handl. (2) v. (4) p. 34 (1865) ... Cape Colony. 

 Palasca albimacida, Wllgrn. K. Vet. Akad. 



Handl. (2) v. (4) p. 35 (1865) Cape Colony. 



Rhypopteryx sordida, Auriv. (Efv. Ak. 



Forh. xxxvi. (7) p. 57 (1879) Damaraland. 



FAMILY HYPSID^. 



Key to the Genera. 



A. Forewing with vein 9 from 10 anastomosing with 8 to form the areole. 

 . Palpi upturned, the third joint long and somewhat dilated at extremity. 

 a'. Forewing in both sexes on under side, with oblique furrow 

 of ridged membrane with membranous tooth before it above 



