356 On new Ileterocera from Tropical Africa. 



from the apex to the middle of the inner margin : secondaries 

 very dark brown, with the basal third of the wing white, the 

 fringe of both wings yellowish brown. Head, antenna, 

 thorax, abdomen, and legs dark brown ; the anal segments of 

 the abdomen and a line on each side bright yellow. 



Expanse 3| inches. 



Hah. East Africa, Dar-es-Salaam [Mus. Druce). 



Bonil)ycidae. 

 Ctenogyna, Feld. 



Ctenogyna lytaia^ sp. n. 



Primaries and secondaries pale greyish fawn-colour ; 

 primaries crossed from the apex to the inner margin by a pale 

 yellowish-brown line : secondaries crossed at the middle with 

 a line, the same as on the primaries ; a small black dot at the 

 end of the cell. Head, antennae, thorax, and abdomen pale 

 fawn-colour ; legs fawn-colour. 



Expanse If inch. 



Hah. West Africa, Lagos, Gambia, Fantee {Mus. Druce). 



Notodontidse. 



Phaleea, Hiibn. 



Phahra imitata, sp. n. 



Male — Primaries silvery grey, very similar to those of 

 P. hiicepJiala, Linn. ; the general coloration almost the same, 

 but crossed by four waved rather indistinct brownish-black 

 lines; the buff tip very similar to that of P. hucephala, but 

 clearer : secondaries creamy white, thickly clothed with 

 yellow hairs on the inner margin from the base to the anal 

 angle; the marginal line black; the fringe cream-colour. 

 Underside of both wings pure white, the veins black. Head 

 and thorax dark reddish brown ; tegulfe silvery grey; abdo- 

 men dark orange-yellow, pale at the anus; antenna yellowish 

 brown, only pectinated to the middle, the outer half simple; 

 legs smoky brown. 



Expanse 2 inches. 



Ilah. East Africa^ Dar-es-Salaam {Mus. Druce). 



