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Show 1887.] MOLLUSKS OF THE VITI ISLANDS. 291 Laimodonta layardi, H. & A. Adams, Gen. Moll. ii. p. 246. Melampus layardi, Pfeiffer, Syn. Auric, no. 48 ; Mon. Auric, i. p. 51 ; Gassies, Faune Nouv. Caled. p. 61, pl. 7. fig. 7; Tennent's Ceylon, i. p. 239; Cox, " Exchange List," p. 33; H. Nevill, Eaum. Hel. etc. Ceylon, 1871, p. 4. Laimodonta conica, Pease, Prnc. Zool. Soc. 1862, p. 242 ; Amer. Journ. Conch. 1868, p. 101, pl. 12. fig. 15; Journ. de Conch. 1871, pp. 93, 94 ; Proc. Z .ol. Soc. 1871, pp. 470, 477; Schmeltz, Cat. Mus. Godeff. v. p. 81 ; Garrett, Journ. Phil. Acad. Nat. Sci. 1881, p. 403, 1885, p. 91. Laemodonta conica, Martens & Langk. Don. Bism. p. 57, ph 3. fig. 13. Laimodonta anaaensis, Mousson, Journ. de Conch. 1869, p. 63, pl. 5. fig. 1. Plecotrema anaaensis, Paetel, Cat. Conch, p. 114. Melampus conicus, Pfeiffer, Mon. Pneum. (Auric.) iv. p. 319. " ? " Melampus anaaensis, Pfeiffer, /. c. p. 320. A few dead examples found in beach-sand. Since the publication of m y paper on the Land-shells of Cook's Islands Mr. E. L. Layard has sent me for determination a Ceylon species of Laimodonta, which proves to be L. layardi, and is identical with Pease's L. conica. Dr. Cox and Gassies record L. layardi from New Caledonia, and Pease quotes it (conica) from " Central Pacific." I have obtained it in all the groups from the Paumotus to the Viti Isles. The species now under consideration is closely allied to the Snndwich-Island L. bronni, but is smaller, more slender, and the spiral engraved lines are more conspicuous. M y examples average from 6 to 8f- millim. in length. Colour chestnut-brown, with one or two whitish bands. The outer lip is slightly sinuous posteriorly and has one or two internal riblets. All the three descriptions alluded to mention a single plait in the palate. In the eight specimens before me six have two riblets in the palate. Station under stones above high-water mark. Genus PEDIPES, Adanson. 1. P E D I P E S J O U A N I , Montrouzier. Pedipes jouani, "Montrouzier," Souverbie, Journ. de Conch. 1862, p. 244, pl. 9. fig. 11 ; Gassies, Faun. Nouv. Caled. p. 65, pl. 6. fig. 22 ; Pfeiffer, Mon. Pneum. (Auric.) iv. p. 332. CPedipes subglobosus, Garrett, Proc. Phil. Acad. Nat. Sci. 1873, p. 236, pl. 3. fig. 70. Ei°-ht examples found lurking under stones a little below high-water mark at Lanthala Island. Our specimens do not differ from the New-Caledonian shells except in beino- paler. Its subglobose form, small, crowded granulated spiral rfdges, fulvous-brown colour, slightly shouldered body-whorl, and short mucronated spire will readily distinguish it. The flattened callose columella is armed with two compressed transverse folds, |