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Show 82 DR. W. J. HOLLAND ON THE AFRICAN [Jan. 14, very near ally, by the yellow colour of the light markings the wings. 278. A. NEANDER, Ploetz. (Plate II. fig. 23.) Apaustus neander, Ploetz, S. E. Z. vol. xlv. p. 154 (1884). Ancyloxypha producta, Trim. S. Afr. Butt. vol. iii. p. 314 (1889). Hab. Tropical West Africa ; Delagoa. 1 have a long series of this species, concerning which Mr. Good wrote me that at the time of capture they appeared to be engaged iu migrating in vast numbers. Only upon the occasion of this migration did he observe them during a residence of eight years upon the banks of the Ogove River. Mr. Trimen confirms, after examining specimens I sent him, the opinion 1 had before communicated to him, that this species is the one named producta by him. HIDARI, Dist. 279. H. CENTRA, Hew. (Plate II. fig. 3.) Hesperia ccenira, Hew. Exot. Butt. vol. iv. Hesperia, pi. figs. 15, 16 (1867). Pamphila ccenira, Kirby, Syn. Cat. p. 606 (1871). 2 . Hesperia caljris, Ploetz, S. E. Z. vol. xl. p. 354 (1879), vol. xliii. p. 328 (1882). Hab. Gaboon, Cameroons. The description given by Ploetz of his species named Hesperia calpis is unmistakable, if care be taken to make the comparisons which he suggests. I have also been able to identify his species by means of a copy of the figure contained in his plates. For many years I have kept H. calpis apart from the older species named Hesperia ccenira by Hewitson, but upon examination I discover that every specimen of H. calpis in my collection, several dozens of them, are females, and all of the specimens of typical H. ccenira are males. Furthermore, there is such absolute agreement in the markings and coloration of the primaries on the underside of the two forms, as to convince me that they are sexes, and I have accordingly united them as above. The female varies in some instances. I have one specimen in which there is a manifest tendency to an enlargement of the white spot on the primaries, so that the marking approximates more nearly that of the male than is usual. 280. H. LATERCULUS, Holl. (Plate I. fig. 15.) Proteides laterculus, Holl. Ent. News, vol. i. p. 156 (1890). Hab. Aralley of the Ogove. 281. H. TRICOLOR, Holl. (Plate I. fig. 5.) Proteides iricolor, Holl. Ent. News, vol. i. p. 156 (1890). Hab. Valley of the Ogove. |