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Show 1894.] ON THE PETREL NAMED CESTRELATA LEUCOPHRYS. 653 Fig. 14, 15, 16, 17, 18, 19. Gonatosphmra prolata, n. gen. et sp. Specimens figs. 15, 17, and 18 showing the unbroken test with the aperture and ridges ; and figs. 14, 16, and 19 the ridge left by the breaking away of the last chamber. 20. Gaudryina lobata, n. sp. 21, 22. Gaudryina pariana, n. sp. 5. Note on the Petrel named (Estrelata leucophrys by Captain Hutton. By Sir W A L T E R L. BULLER, K.C.M.G., F.R.S., C.M.Z.S., &c. [Received August 15, 1894.] I am indebted to Captain Hutton for a copy of his paper " On a Collection of Petrels from the Kermadec Islands," which appeared in the ' Proceedings' of the Zoological Society for last year (see P. Z. S. 1893, p. 749). In this paper Captain Hutton describes Avhat he takes to be a new species of Petrel under the name of (Estrelata leucophrys, as to which I desire to offer one or two observations. But before doing so, I should like to notice another point, although it is of only trivial consequence. It is this : Captain Hutton, in writing of Pujfinus chlororhynchus gives the following as a synonym :- " P. cameipes, Cheeseman (fide Buller), Trans. N . Z. Inst. vol. xxiii. p. 226, not of Gould." N o w I should like to know what authority Captain Hutton has for quoting m e here. I never saw Mr. Cheeseman's specimen and w^as never consulted about it. O n turning to M r . Cheeseman's paper, cited above, I find that he says :-" 1 a m not quite certain whether this species is correctly identified, all m y specimens being fledglings that have not yet lost their down." The same remark, as to want of authority, applies to the following quotation, as a synonym of (E. nigripennis, Bothschild :- " <E. cookii, Cheeseman (fide Buller), Trans. N . Z. Inst. vol. xxiii. p. 224, not of Gray." Where M r . Cheeseman sought m y assistance in the identification of species he has mentioned the fact in his paper. As to " (Estrelata leucophrys'1'1 (of which an excellent figure is given in the ' Proceedings') I may mention that I took to England Avith m e on m y last visit a good series of specimens which I had received from the Kermadec Islands. These I submitted to Mr. Salvin, our acknowledged authority on the Procellariidce, and he unhesitatingly referred them to the highly variable (Estrelata neglecta. At his suggestion I afterAvards called at the Zoological Society's rooms to examine the specimen sent home by Captain Hutton, and the type of his new species, of which a drawing was then being prepared for the 'Proceedings.' It was undoubtedly of the same species. |