210 Mr. H. Druce on some new Heterocera> 



(Ecura pytna, sp. n. 



Male. — Primaries brownish fawn-colour, darker along the 

 costal margin ; a small black streak close to the base ; a large 

 greyish-white marking near the apex, below which are two 

 or three brownish-black markings ; the fringe alternately 

 light and dark brown : secondaries pale greyish brown, with 

 two darker brown spots on the outer margin ; the fringe pale 

 greyish white. Antennge black ; the head, thorax, and abdo- 

 men dark greyisli brown. 



Expanse 1^ inch. 



Hab. West Africa, Gambia {Mus. Druce). 



Fam. Notodontidae. 

 Notodonta (?) lihronima, sp. n. 



Male, — Primaries semihyaline greyish white, darkest at 

 the base and along the costal margin ; a faint black streak at 

 the end of the cell ; a wide, red, curved, elongated spot about 

 the middle o£ the inner margin : secondaries hyaline white, 

 shaded with pinkish fawn-colour along the inner margin. 

 Underside of both wings white ; antennse pale brown ; the 

 head and thorax pale brown, thickly clothed with reddish 

 hairs ; abdomen yellowish brown ; legs white. 



Expanse 2j inches. 



Hab. South Brazil [Mus. Druce). 



Very distinct from any other species known to me, and 

 will probably require to be placed in a new genus. 



Fam. Arctiidse. 

 Catarctia unicolor, sp. n. 



Female. — Primaries and secondaries uniformly chestnut- 

 reddish brown. The head, antenna?, and thorax of the same 

 colour ; abdomen yellowish brown, with a double row of 

 black spots on the upperside. 



Expanse 2;^ inches. 



Hab. West Africa, Mongo-ma-Lobah {Mus. Druce), 



Spilarctia jniella, sp. n. 



Male. — Primaries white, the veins all black : secondaries 

 white, shaded with yellow along the iimer margin ; the fringe 

 of both wings white. Underside as above, but with the 

 costal margins of both wings yellow. The head and thorax 



