( 209 ) 



indistinctly creiinlate, angled on the median vein, followed by first a dull lilac 

 and then a fine brown Hue ; snbmargiual line denticnlate bnt very indistinct, 

 preceded and followed by thick purplish brown shades, both interrujited by the 

 ground colour between veins 6 and 7, and 3 and 4 ; a dark marginal line ; fringe 

 ochreons, varied with purplish. In the central fascia an angulated rufous line is 

 traceable. 



Ilimlwiiiys : with two short jiurpiisli lines close to base, the rest of the wing 

 as in forewings. 



Underside shining, pale bronzy, fuscous-tinged towards hindmargins, with 

 traces of the outer lines and of cell-spot ; head, thorax, and abdomen ochreous, 

 dusted with purplish scales. 



Expanse of wings : 17 mm. 



1 ? from the island of S. Thome, October and November 1899 (Mocquerys). 

 Possibly an Iramba. 



21). Gymnoscelis tenera sp. uov. 



Forewings : pale pinkish ochreous, dusted with grey, the costal lialf of wing 

 darker than the inner half ; the basal patch and central fascia slightly darker and 

 edged by fine waved whitish lines ; the snbniarginal line very fine and preceded by 

 darker patches at costa, beyond cell, and above inner margin ; marginal line finely 

 blackish ; fringe pinkish grey. 



Ilinflirimjs : similar. 



Underside shining, whitish, with the markings grey ; head, thorax, and 

 abdomen concolorous. 



Expanse of wings : 10 — 14 mm. 



2 (?(^, 1 ?, from Ogrugu, Amambara River, Lower Niger. 



Subfamily ASTHENINAE. 

 21. Asthenotricha inutilis sp. no v. 



Forewings and Ilindwings : superficially resembling those oi flaucoiwi in 

 coloration and markings, except that all the lines are more regularly waved ; 

 neither forewing nor hindwing, however, possesses the modified scales and tuft 

 of hair by which the genns is characterised, nor is the costa of the hindwings 

 shouldered at base. The specimens agree in having the antennae of similar 

 structure, thickened with clavate teeth. 



Expanse of wings : 26 mm. 



\ $$ from Ran, Nandi Conntry, February 1899 (Dr. Ansorge), taken along 

 with several examples of A.Jiacicoma and one of lophoptenita. 



22. Dichroma alternata sp. nov. 



Forewings : shining silvery white ; crossed by four oblique, somewhat irregularly 

 margined olive-brown fasciae, all finely edged with black scales ; one close to base ; 

 second antemedian, swollen laterally below the subcostal vein ; third postmediau, 

 with a large projection basewards below subcostal and its outer edge regularly 

 undulated ; fourth submarginal, with botli edges waved and nut (juite reaching 

 the costa ; fringe olive-brown. 



Ilindwings : greyish ochreous, with indications of a broad curved darker 



