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Show 250 DE. A. G. BUTLEB O N LEPIDOPTEBA [Mar. 19, Fig. 14. Microparmarion pollonerai, n. sp. View from right side, showing right and left dorsal lobes of the mantle, r.d.l. and l.d.l. X 24. 15. Caudal mucous pore. X 4-6. 16. Visceral sac, dorsal view : r.s.l., right shell-lobe. X 8. 17. Visceral sac, lateral view. X 8. 18. Jaw. X 12. 19. Portion of lingual ribbon. X 368. 20. Portion of lingual ribbon. X 368. 21. Portion of stomach and intestine, showing position of salivary gland, s.gl., and its duct, d., opening into the buccal cavity, b.c. 22. Generative organs. X 6. Lettering as before. 23. Penis and flagellum. X 8. 24. Interior portion of flagellum, showing the papillated surface. X 4. 25. Dart-sac and dart in situ. 26. Microparmarion simrothi, n. sp. View from the right side, showing the position and extent of the right and left dorsal mantle- and shell-lobes. X 4. 27. Microparmarion simrothi, n. sp. Anterior portion from the left side. X 3. 28. Shell of the same. X 2. 29. Head and anterior portion of the same. X 4. 30. Jaw. X 4. 31. Visceral mass, showing salivary gland, s.gl. X 4. 32. Generative organs. X 4. Lettering as before. 33. Upper portion of penis with flagellum. X 6. 34. The same, showing a variation in the form of the flagellum. X 6. 35. Dart-sac and dart in situ. X 125. 36. Generative organs of Parmarion pupillans, H u m b . (after Semper). Lettering as before. 37. Dart of P. pupillaris, Humb. (after Semper). 38. Isolated teeth from lingual ribbon of P. pupillaris, Humb. (after Semper). 39. Generative organs of Microparmarion strubelli, Simr. (after Simroth). 4. On ColLletetcetriinogn sas obfef Loreep. idoptera from British Central Africa and Lake Tanganyika. By A B T H U B G. B U T L E B , Ph.D., F.L.S., F.Z.S., &c. [Received March 12, 1895.] (Plates XV. & XVI.) In 1894 we received, through Mr. A. Whyte, F.Z.S., a small collection of Lepidoptera made at Zomba by Mr. J. McClounie, especially remarkable for the number of specimens of the genus Charaxes which it contained. Among these were specimens of the female of C. whytei (the male of which I had described and figured in the Society's Proceedings for 1893), of two previously unnamed forms, possibly distinct species, and of two undoubtedly new species, also examples of C. nyasana confounded by the late Mr. Hewitson with his C. azota. A second series has been selected from a large consignment of Lepidoptera collected at Fwambo, Lake Tanganyika, by Mr. Alexander Carson. This is especially interesting, not only as including examples of rare species previously only received from Zomba |