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Show 490 MR. E. L. LAYARD ON T H E BIRDS [J thin, subpellucid, shining, pale olive-green, finely obliquely striated throughout and decussated above with very minute concentric rugose striae : spire conical, apex obtuse ; whorls 6, nearly flat, the last not descending in front, inflated below ; aperture diagonal, large, angularly elliptic; peristome thin, simple; columellar margin slightly reflexed over the umbilicus. Diam. maj. 33, min. 27, alt. 24 mill. Hab. Feneriffa Islands, North-west Madagascar (Coll. Sir D. Barclay). HELIX EYREI, n. sp. (Plate XLVII. figs. 10-12.) Shell widely umbilicated, subplanorbular, rather thin, obliquely striated, and under the lens minutely granulated, light brown, pale below; spire flattened; whorls 5, a little convex, the last rounded and slightly descending ; aperture oblique, lunate ; peristome flesh-coloured, margins approximating, thickened, and slightly expanded. Diam. maj. 17, min. 14f, alt. 6j mill. Hab. Shores of Lake Eyre, Central Australia. This is another species of the peculiar discoidal group of Helices (Anyasella, A. Ad.) from the arid regions of Central Australia, to which II. cyrtopleura, Pfr. and H. phillipsiana, Ang., also belong. EXPLANATION OF PLATE XLVII. Figs. 1-3. Helix malantensis. 4, 5. comriei. fi, 7. robillardi. 8,9. fenerijfensis. 10-12. eyrei. 7. Notes on the Birds of the Navigators'* and Friendly Islands, with some Additions to the Ornithology of Fiji. By E. L. LAYARD, C.M.G., F.Z.S., &c, H.B.M. Consul at New Caledonia. [Received May 24, 1876.] Recent visits to the Navigators' and Friendly archipelagos having enabled me to extend my knowledge of the avifauna of these two groups of islands, so intimately connected with the ornithology of Fiji, I offer the accompanying remarks for publication in the Proceedings of the Society as a sequel to my ' Notes on Fijian Birds' (P.Z.S. 1875, p. 423). I will take first in order the Navigators', and give a list of the known species, commenting on them as I proceed. 1. STRIX DELICATULA, Gould. This Australian White Owl is common throughout the islands, and is the only Raptorial bird known on them. I frequently put it up from among the cotton-bushes planted in rows between the cocoa- |