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Show 668 DR. A. G. BUTLER O N LEPIDOPTERA FROM [NOV. 7, 128. PAPILIO CONSTANTINUS. Papilio constantinus, Ward, Ent. Mo. Mag. viii. p. 34 (1871); Afr. Lep. p. 1, pi. 1. figs. 1, 2 (1873). Lake Mweru. 129. PAPILIO MEROPE. Papilio merope, Cramer, Pap. Exot. ii. pi. cli. A, B (1779). 3, Rhodesia, Lake Mweru, June 11, 1892. 130. PAPILIO ERINUS. Papilio erinus, Gray, Cat. Lep. Ins. B. M. i. p. 35, n. 127 (1865). Lake Mweru ; Zomba, December 1892 and January 1893. The HESPERIIDSE in the collection are numerous, and so many species have been described of late years, especially by Herr Plotz and Monsieur Mabille, that it has been no light task to work carefully through the accumulation of literature and decide what species are new to science. That the descriptions of Plotz are not easy to follow is a fact, I think, pretty generally admitted, and those who have attempted to recognize his species have not always succeeded in making them evident to their successors. For instance, Herr Ribbe ('Isis,' 1889, p. 261), after quoting the description of Pamphila ahrendti, observes :-" It is very difficult, from this short description of Plotz's, to identify P. ahrendti. I have therefore had the species figured, by which figure the identification can be gained with certainty." Unhappily, this is far from being a fact, as the figure is a blotchy photohthograph, and might stand for any Hesperiid of the same size; in short, it is utterly useless as an aid to identification. It is a pity that so little work equal to that of Prof. Aurivillius has been produced in Germany, and so little as lucid as that of the late Monsieur Guenee in France. One of tbe chief difficulties in the identification of Mabille's Hesperiidae consists in the fact that his new species are frequently placed in the wrong genera. 131. TAGIADES FLESUS. Hesperia flesus, Fabricius, Spec. Ins. ii. p. 135, n. 621 (1781). Zomba, December 1892 and January 1893. 132. SARANGESA MOTOZI. Pterygospidea motozi, Wallengren, Kongl. Svensk. Vet.-Akad. Handl. 1857, p. 53. Lake Mweru ; Zomba, January 1893. 133. SARANGESA MOTOZOIDES ? Sarangesa motozoides, Holland, Ann. & Mag. Nat. Hist. ser. vol. x. p. 288, n. 9 (1892). Lake Mweru. |