Leindoptera from Tropical Africa. 527 



laterally by obscure still darker lines, subterminal area sliglitly 

 darker than the median area, with a subapical costal daik 

 small patch palely edged. 



Expanse 34 mm. 



Hab. N'Dalla Tando, Angola, 2700 feet; November 

 [Ayisorge). 



Type in my collection. 



Stictoftebin^. 

 Gigantoceras ado.vodes, sp. n. 



(^ . Head, thorax, and abdomen greenish grey. Primaries 

 greenish grey, with basal area darker and edged by the 

 antemedian fine dark line, a fine dark serrate line crosses the 

 wing at the end of tiie cell ; apical area darkly clouded, a 

 trace of a subterminal line of cream-colour fairly distinct in 

 the lower radial area and sliifted inwards on the fold ; a 

 terminal series of dark lunules edged internally with cream- 

 colour. Secondaries grey at base, dark grey for the terminal 

 half. 



Expanse 34 mm. 



Hab. N'Dalla Tando, Angola, 2700 feet; October 

 {Ansorge). 



Type iu my collection. 



Sasrotsbifin'^. 

 Plotheia ianthina, sp. n. 



(J . Head and thorax lilac-grey, abdomen grey. Primaries 

 lilac-grey for the central half, getting tawny towards the 

 fold ; a dark tawny, angled, incomplete, antemedian line 

 not extending into the fold ; a tawny postmedian irregular 

 line palely edged, which edging is followed by a grey line; 

 reniform stigma tawny, beyond this the apical area is silvery 

 lilac-grey, and the tornal area tawny. Secondaries pure 

 white. 



Expanse 22 mm. 



Hab. Gunnal, Portuguese W. Africa. 



Type in my collection. 



LOPHOTAGONIA, gen. nov. 



Palpi with end segment long and porrect ; antennae with 

 very minute cilia, nearly simple. Hind leg with tibial 

 spines almost as long as the tibiso, arising from near the 

 femoral joint. Neuration : primaries with veins 3 and 5 



