32 DB. W. J. nOl-LAND ON THE AFEtOAN [Jan. 14, 



of long hair-like scales ; hind tibisB almost naked and with two 

 pairs of spurs. 



Type Q. ahurce, Ploetz. 



115. Gr. ABUE^, Ploetz. 



ApavstM aburce, Ploetz, S. E. Z. vol. xl. p. 359 (1879), vol. xlv. 

 p. 153 (1884). 



Hab. Tropical AVest Africa. 



G. DiVEHSATA, var. nov. 



This form differs from typical G. ahurce, Ploetz, in being pre- 

 valently lighter in colour on the underside of the primaries and 

 the disc of the secondaries, the darker outer third of the second- 

 aries remaining as in the typical form, and giving the appearance, 

 therefore, of a dark diffuse hind marginal border to the wing. 



This form is quite common. About one-half of the specimens 

 collected for me in the Valley of the Ogfove belong to it, but I 

 cannot lead myself to believe that it represents a species. Save in 

 the colour modiflcation noted, the specimens otherwise agree 

 absolutely with 0. aburce, and there are a number of intergrading 

 forms. {See next species.) 



116. G. nETBEocnEiTs, Mab. 



Pamphila Jieterochnts, Mab. Ann. Soc. Ent. France, (6) vol. x. 

 p. 31, pi. iii. flg. 7 (1890); Novit. Lepidopt. p. 116, pi. xvi. fig. 4 

 (1893). 



GastrocTiceta diversata, Mab. MS., in coll. Staudinger. 



Hab. Tropical West Africa. 



The figure of G. heterochrus in the ' Novitates,' was drawn from a 

 specimen in the Staudinger collection, which has been labelled 

 Gastrochata diversata by Mons. Mabille. Another specimen 

 which does not at all agree with the figure in the ' Novitates,' and 

 the duplicate of which was pronounced by Mons. Mabille himself 

 to be a hitherto undescribed species, is labelled in the Staudinger 

 collection as the type of G. heterochrus. There has plainly been 

 a misplacement of the labels. I have therefore taken the liberty 

 of applying the name proposed by Mons. Mabille to this new 

 form, of which there are inimerous examples in my collection, 

 and which is plainly a mere colour variation of G. aburce, Ploetz 

 (vide supra). 



117. G. JOHNSTONi, Butl. (Plate II. fig. 6.) 

 Aeromaehus (?) johnsioni, Butl. P. Z. S. 1893, p. 673. 

 Hab. British Central Africa (Butl.); Erench Congo (Good). 



I have several specimens of this little species from the A'^alley of 

 the Ogove, agreeing absolutely with the tjpe. It is closely allied 

 to the species described herein as G. minima, Holl., but n)ay bo 

 distinguished at once by its somewhat larger size, and the fact 



