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Show 74 DR. A. GUNTHER ON T H E ZOOLOGICAL [Feb. 6, 3 in.), is in the collection. It occurs in nearly all the warmer temperate and tropical seas of the globe. The specimen from Charles Island resembles in all respects specimens of G. altifrons, Stimpson (Ann. Lye. Nat. Hist. N e w York, vii. p. 230, 1860), in the collection of the British Museum, from Cape St. Lucas, California, presented by the Smithsonian Institution. This species cannot be regarded as distinct from G. pictus, as the characters given are by no means constant or restricted to Western-American specimens. 3. REMIPES PACIFICUS. Remipes pacificus, Dana, U.S. Expl. Exp. xiii. Crust, i. p. 407, pl. xxv. fig. 7 (1852). Hab. Charles Island. One specimen was obtained. This species was described by Dana from specimens collected at the Fiji and Sandwich Islands; its occurrence at Cape St. Lucas, California, has since been recorded by Stimpson ; and specimens from the last-mentioned locality, presented by the Smithsonian Institution, are in the collection of the British Museum. There are also specimens in the collection from the New Hebrides, Fiji, Navigators', and Samoa Islands, the coast of Australia, the Philippines, and Mauritius. I think it not improbable that this species may be identical with the Remipes testudinarius of Latreille (Gen. Crust, et Ins. i. p. 45), described and figured by Milne-Edwards (Hist. Nat. Crust, p. 206, pl. xxi. figs. 14-20), from Australia. 4. CUBARIS GALAPAGOENSIS, sp. n. (Plate XII. fig. 2.) Convex, narrow-oblong, minutely punctulated, and strongly granulated. Head narrow-transverse, with two or three small granules near its posterior margin. Eyes very small, black. First segment of the body with two larger sigmoid elevations on its dorsal surface, near its anterior margin, the granulations less regular and more numerous than on the succeeding segments ; the six succeeding segments with a transverse series of about six regularly placed granules near the posterior margin, and two or three in front of them, on each side of the middle line a group of larger granules ; towards the lateral margins the granules again become uniseriate. Segments of the tail with but one or two small granules towards the lateral margins ; last segment concave on the sides, wider at its proximal than at its distal extremity, and with three small granules on its upper surface. Antennae with the penultimate about half the length of the last joint. Colour iron-grey, segments with paler margins and patches on each side of the middle line. Hab. Charles Island. A single specimen is in the collection. This species is distinguished from most of its congeners by the strongly granulated segments of the body. In C. cubensis, De Saussure (Mem. Soc. Phys. et Hist. Nat. Geneve, xiv. (2) p. 481, pl. v. fig. 42, 1858), the segments |