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Show 1897.] ON BUTTERFLIES COLLECTED IN NATAL. 835 M'INTOSH, W. C. 1890. " St. Andrews Mar. Lab. Beport, No. xi." Ann. Nat. Hist. ser. 6, vol. v. pp. 296-306. PLESSIS, G. DU. 1878. " Etude sur la Cosmetlra sallnarum." Bull. Soc. Vaudoise Sc. Nat. ser. 2, vol. xvi. pp. 38-45, pl. ii. (Lausanne.) Transl. by Dallas in Ann. Mat. Hist. ser. 5, vol. iii. pp. 385-389. EXPLANATION OF THE PLATES. PLATE XLVIII. Fig. 1. Cytceandra areolata (sp. ?;, an early stage, X 30 ; p. 817. Plymouth, 1893. Fig. 1 a. Diagram of the margin of the umbrella. Fig. 2. Cytceandra areolata, adult, X 10; p. 818. Port Erin, 1894. Fig. 3. Dipleurosoma hemisphcericum, an intermediate stage, X 10 ; p. 826. Valencia. 1896. Fig. 3 a. Diagram of the margin of the umbrella. PLATE XLIX. Fig. 1. Aylantha rosea, adult, X 5; p. 833. Valencia, 1895. Fig. 1 a. Diagram of the margin of the umbrella. Fig. 1 b. A portion of the margin between two radial canals. Fig. 2. Dipurena halterata, adult 3, x 4; p. 816. Valencia, 1896. Fig. 2 a. Terminal bulb of a tentacle expanded. F'ig. 2 b. Terminal bulb of a tentacle contracted. Fie. 3. A Leptomedusa (gen. ? sp. ?), x 35 ; p. 832. Valencia, 1896. Fig. 3 a. Diagram of the margin of the umbrella. Fig. 4. Laodice calcarata (sp. ?), a portion of the margin of the umbrella, enlarged, p. 823. Valencia, 1896. 2. On three consignments of Butterflies collected in Natal in 1896 and 1897 by Mr. Guy A. K. Marshall, F.Z.S. By ARTHUR G. BUTLER, Ph.D., F.L.S., F.Z.S., Senior Assistant-Keeper, Zoological Department, British Museum, Natural History. [Received July 26, 1897.] (Plate L.) Since his return to South Africa, Mr. Guy A. K. Marshall has most liberally fulfilled a promise which he made me when in England to collect Lepidoptera for the Museum : indeed, so rapidly has one consignment followed another that it has been impossible to mount the specimens so fast as received. The notes which accompany many of the specifs are of considerable interest to Lepidopterists generally : therefore, as the first three consignments, consisting of 667 examples, are now all set, I think it best to deal at once with these, leaving a further consignment just received for a supplementary paper. Mr. Marshall is an admirable and indefatigable collector, and knows the South-African Butterflies so well that he has been able to add manv desiderata to the National Collection, some of them |