1H87.] LEFJDOPTEaA FROM TROPrCAl. AKRICA. 683 



brown ; the underside of all the wings uniform pale reddish brown. 

 Head, palpi, thorax, and abdomen bright golden brown. Antenn£e 

 and legs dark brown. 



Expanse 1| inch. 



Hah. West Africa : Mongo-ma Lubah. 



This species is quite distinct from any known to me, but some- 

 what resembles E. argentea, Druce. 



Natada undina, n. sp. 



Primaries, the basal half dark brownish black, the outer half pale 

 mouse-colour ; a submarginal black line extending from the costal 

 margin close to the apex to the anal angle, where it is broken into 

 black dots. Secondaries silky mouse-colour, the fringe slightly 

 darker; the underside of all the wings uniform reddish brown. 

 Head, collar, and thorax bright citron-yellow. Antennae and the 

 abdomen dark brown. 



Expanse I| inch. 



Hab. West Africa : Mongo-ma Lubah. 



Very distinct from any species of Natada known to me. 



Natada elsa, n. sp. 



Primaries dark glossy brown ; the basal third of the wing and a 

 large apical patch rich chocolate-brown ; a narrow waved silvery 

 white line crosses from the costal margin nearest the apex to the 

 inner margin near the base, dividing the dark chocolate-brown from 

 the outer part of the wings ; the apical patch is whitish on the inner 

 side. Secondaries blackish brown, darkest along the inner margin. 

 Head, thorax, and antennae dark brown. Abdomen blackish, the 

 anus brown. 



Expanse 1| inch. 



Hab. West Africa : Calabar (Swan). 



A female specimen of this species is in the British Museum, from 

 the Cameroons. 



Fam. BoMBYCiD^. 



Trxlocha, Moore. 

 Trilocha ianthe, n. sp. 



Primaries reddish fawn-colour, with three reddish-brown points on 

 the costal margin, a black spot at the end of the cell, and a reddish- 

 brown patch on the outer margin nearest the apex ; on the inner 

 margin are three indistinct, waved, narrow lines of a reddish-brown 

 colour crossing to the middle of the wing. Secondaries uniform 

 reddish fawn-colour, darkest at the anal angle and round the outer 

 margin ; the inner margin streaked with whitish lines. The under- 

 side of all the wings pale fawn-colour. The female the same as the 

 male, but slightly larger. 



Expanse, d" , I inch. 



Hab. West Africa: Gambia. (Captain Moloney) ; South Africa: 

 Grahams Town (Grote). 



