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Show 1896.] ON THE HYMENOPTERA OF CEYLON. 401 already at work on this important undertaking of the Deutsche Zoologische Gesellschaft, under the general editorship of Prof. F. E. Schulze, of Berlin. The first part of the work was promised to be ready in the beginning of 1897, and twenty-five years were allowed for its full completion. The general character of the work was shown by the pattern treatise on the Heliozoa prepared by Dr. Fritz Schaudinn, which accompanied the prospectus. In this treatise of 24 pages about 60 species were described, so that if this ratio of species to pages was an average one it would seem that upwards of 190 volumes would be required to complete the work. In reference to the discussion on Zoological Nomenclature, which took place at the last Meeting, M r . Sclater remarked that he had omitted to state that at the late International Congress of Zoology held at Leyden (see Bull, trois. Congr. Int. de Zoologie, no. 5, p. 6) a committee of five Naturalists of different countries had been appointed with the object of endeavouring to settle the differences between the several codes of Zoological Nomenclature. The names suggested on that occasion by Prof. F. E. Schulze, and accepted by the Meeting, were Prof." Blanchard of Paris, Prof. Victor Carus of Leipzig, Dr. Jentink of Leyden, Mr. Sclater, and Dr. W . Stiles of Washington. This subject would therefore come very appropriately before the next International Zoological Congress, which was proposed to be held in this country in 1898. The following papers were read:- 1. A Contribution to the Knowledge of the Hymenopterous Fauna of Ceylon. By Lt.-Col. C. T. B I N G H A M , F.Z.S., F.E.S. [Received February 17, 1896.] (Plate XV.) I know of only two published lists dealing with the Hymenoptera of Ceylon. The first, by Walker, is given in chapter xii. of Tennent's 'Natural History of Ceylon,' and includes Walker's new species described in the ' Annals and Magazine of Natural History,' series 3, vols. iv. (1859) and v. (I860). The second list, by Motschoulsky, appeared in the ' Bulletin de la Societe Imperiale des Naturalistes,' Moscow, 1863. In this Walker's list was republished, and several new species, chiefly Chalcididae and Ichneu-monidce, were described. The present paper, founded on the collections made in Ceylon by Col. Terbury, B.A., and Mr. E. E. Green, deals only with the Aculeate, or more correctly, seeing that I have included the Tubuhfera(C%r^/sic?ic?oe), the Monotrochous Hymenoptera found in Paoc. ZOOL. Soc-1896, N o . X X V I . 26 |
