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Show 1896.] BUTTERFLIES OF THE FAMILY HESPERIIDJE. 35 anal extremity is annulated on the lower side -with brown, and the anal extremity there is a tuft of blackish hairs. Expanse 28 mm. Type in coll. Staudinger. Hab. Usagara, East Africa. This species is somewhat allied in its markings to G. aretina, Hew., from which, however, it is abundantly distinct. It is undoubtedly a good species. 122. G. ARETINA, Hew. Ceratrichia aretina, Hew. Ann. & Mag. Nat. Hist. (5) vol- i. p. 343 (1878). Apaustus dolus, Ploetz, S. E. Z. vol. xl. p. 358 (1879), vol. xlv. p. 151 (1884); Karsch, Berl. Ent. Zeit, L893, p. 260 pi. vi. fig. 13. Gastrochceta albiventris, Mab. MS., in Staudinger coll. Hab. Old Calabar (Hew.); Gaboon (Good) ; Togoland (Karsch); Loko (Staudinger). I have compared the specimens in my collection with the type of C. aretina, Hew., and find them to be identical. The representation of Apaustus dolus, Ploetz, given by Karsch, is a most excellent representation of G. aretina, as is shown both by comparison with the insect and with a carefully executed figure of the type made for me by Mr. Horace Knight, of London. Mons. Mabille identified the specimens I took with me to Paris as his Gastrochceta albiventris, comparing them with the type so labelled in the Staudinger collection, which is now again before me as I write. I cannot find any record of the publication of this name by Mons. Mabille, but it may possibly have eluded the vigilance of the compilers of the ' Zoological Record' and others engaged in similar work. 123. G. INDUSIATA, Mab. Hypoleucis indusiata, Mab. C. R. Soc. Ent, Belg. vol. xxxv, p. cxiii (1891); Novit. Lepidopt. p. 117, pi. xvi. fig. 6 (1893). Hab. Cameroons. This insect is not congeneric with the type of Hypoleucis, which is at best a very doubtful genus. It appears to be more correctly referred to the genus Gorgyra. With the exception of the type and a single specimen contained in my collection I do not know of anv others in the museums of the world up to the present time. The type is in the Staudinger collection. 124. G. RUBESCENS, sp. nov. (Plate IV. figs. 17 d, 18 $.) S . Antennae black, marked with white below before the end of the club. Palpi black on the upperside, pale yellow beneath. Upperside of thorax and abdomen dark brown ; lower side of thorax and abdomen obscure ochraceous. The primaries on the upperside are bright rufous, with the costa and the outer, margin broadly |