358 MR. H. H. DRUCE ON NEW BUTTERFLIES [Feb. 15, 



opalescence which is most pronounced over the discal areas. 

 Abdomen black above, pale brown below ; legs pale brown, trans- 

 parent. Antennae black. 



Expanse If inch. 



Hah. Bitje, Ja river, Cameroons, 2000 ft., dry season 

 (<?. L. Bates). 



Type, Mus. Druce. 



Described from two specimens which are identical. It is 

 allied to P. tirza Hew.* which has a black costal margin and 

 apex. 



The wings of this insect are so transparent that it is possible 

 to read the printed locality label through them. 



Pentila bitje, sp. n. (Plate XXXIII. fig. 5, 6" .) 



Male. Upper side : both wings uniform pale cream ; semi- 

 transparent. Fore wing with the apex narrowly fuscous, and the 

 costal margin dusted with fuscous scales ; three clearly defined 

 circular black spots on the disc, placed as follows : one in the 

 centre of the cell, one at the end of the cell, and one in cell 2 rather 

 before its middle. Hind wing also with three black spots, placed, 

 one on the costal margin before the middle, above the cell, one 

 at the end of the cell, and one in cell 2 near its base. Cilia 

 concolorous with wings. Under side as above excepting that the 

 fore wing is without the dark apex and that the whole area of 

 both wings is slightly dusted with fuscous scales. Abdomen 

 fuscous above, pale below. Palpi a,nd legs ochreous. 



Female. Marked exactly as the male. 



Expanse lg inch. 



Hab. Bitje, Ja river, Cameroons, 2000 ft., dry and wet 

 seasons (G. L. Bates). 



Types, Mus. Druce. 



Described from seven specimens. The black spot in cell 2 of 

 the hind wing is very minute in several examples, and in two is 

 entirely wanting, but on one wing only. 



There is also a specimen in the British Museum from the 

 Cameroons. 



Mimacr^a landbecki, sp. n. (Plate XXXIV. figs. 7 o% 

 8$.) 



Male. Upper side : fore wing dull blackish brown, with the 

 inner marginal area brownish ochreous, shading paler and 

 decreasing in width to vein 4. A pale yellow, slightly ochreous 

 edged, subapical band placed rather more than half-way 

 between the end of the cell and the apex and crossed by the 

 brown nervules. Hind wing brownish ochreous, gradually 

 merging into a brownish black apical and outer marginal area ; 

 inner margin, excepting extreme edge which is pale yellow, fuscous. 

 Under side : fore wing — costal area to subapical band black, 



* Pentila tirza Hew., Ent. Mo. Mag. x. p. 125 (1873). 



