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Show 288 MR. CYRIL CROSSLAXD OX TOE [Feb. 16, 0. Head small, tentacles smooth, jaws delicate and calcareous E. indica, p. 318. The remaining species of this group are E. vittata *, E. ornataf, E. rubra J. D. Body of characteristic form, bearing gills of one filament postenorly ; jaw-apparatus highly specialised. Comb and acicular "setae absent ... E. siciliensis, p. 323. In the absence of a complete account of E. schizo-branchia Clp., this species (including E. leucodon Ehl. as a variety, see below) is the only member of the division. E. Of generalised structure but gills absent. 1. Jaw-apparatus of normal form 2. Jaw-apparatus somewhat resembling that of E. siciliensis JV. edentulum Ehl., p. 326. JV. balfouriana Mel. (as E. 1) and 2V. brevis Ehl. (loc. cit.) are the remaining species certainly known. EUXICE APHRODITOIS Pallas. Eunice aphroditoisMcintosh, 'Challenger,'xii. p. 282; Gravier, Nouv. Arch, du Mus. Paris, 1900, p. 224. A single specimen, the posterior end of which is in process of regeneration, from Goidu Reef, Maldives. The body is of very nearly the same width throughout, viz. 2 cm. inclusive of parapodia and setae. It should be noted that in spite of the large number of their branches the gills are quite small, not covering any appreciable part of the dorsal surface of the body. The articulated piece of the compound setae has been nearly always lost, but when present it bears two hooks, and, like the acicular seta, corresponds exactly with Mcintosh's figures from the Australian specimen obtained by the ' Challenger.' The dorsal bundle of setae corresponds with Gravier's account in the disproportionately small number and the long slender points of the capillary setae, and in the number, characteristic shape, and granular surface of the combs. Since these two points were not given by Mcintosh, and small variations of the jaw-plates are not of systematic importance, the only certain foundation for Gravier's var. djiboutiensis is the third very small tooth found between the longer two of the articulated pieces of the compound and acicular setae. This difference is hardly sufficient to warrant the addition of a third name, especially in view of the variation in the shape of these teeth notecl in the ' Challenger' specimens. EUXICE GRUBEI Gravier. Eunice grubei Gravier, Xouv. Arch, du Mus. de Paris, 1900, p. 258. Only three fragmentary specimen*occur-two, small, 3 mm. * = E. Jimosa Ehlers, Borstenwiirmer. t Andrew, P. U.S. Nat. Mus. xiv. 1891, p. 277. "Annelids of X. Carolina." X Ehlers. ' Florida Anneliden.' Results of dredging by U.S. Survey steamer 'Blake,' 1887. C Nicidion gracilis, sp. n., (_ and others, p. 327. |