216 120 



I quite agree with J. C. Melvill and Abercrombie when they write' that: 

 "D. Dysoni appears to be incarnatus in a young form." 



Donax (Serrula) nitidus, Desh. 



Donax nitida, Deshayes, Proc. Zool. Soc. London, XXII, 1854, p. 350, No. 153. 



— — — Reeve, Conchol. icon., VIII, Donax, Sp. 34. 



— (Serrula) nitidus, Deshayes, Römer in Martini u. Chemnitz, Conchyl. Cabin., X Bd., 3 Abth., 



p. 51 (non D. nitidus, Sowerby, Thesaur. Conchyl., fide Edg. Smith). 



— — — — V. Beutin, Revision d. Donacidées, p. 88, No. 21. 



— nitidus, Deshaye.s, Edg. Smith, Lamellibranchiata of the Challenger Expedition, p. 112. 



Between Koh Rin and Cliff Rocli, 15 fathoms ('/2). N. of Koh Kam, 5 fathoms, 

 gravel (^/s). Between Koh Mesan and Cape Liant, 5 — 9 fathoms, sand (V2). W. of 

 Koh Kut, 15 fathoms ('/a). 



Long. 3 — 10 mm. 



Distribution: — Karachi and Mekran Coast (Melvh.l & Standen). — Cape 

 York, Moreton Bay, Port Jackson (Sydney). 



Donax (Latona) cuneatus L. 



Donax cuneata, Linné, Systema Naturae, ed. X, 1758, p. ü83. No. 87 (p.p.). — ed. XII, p. 1127, No. 108. — 

 Mus. Lud. Ulricæ reg., p. 495, No. 52. 



— — — Chemnitz, Conchyl. Cabin., VI, 1782, p. 266, pi. 26, fig. 260. 



— — — Lamarck, Hist. nat. d. anim. s. vert., V, 1818, p. 546, No. 3. — éd. 2, VI, p. 240, 



No. 3. 



— — — Reeve, Conchol. icon., VIII, Donax, Sp. 15. 



— (Latona) cuneatus, Linné, Römer in Martini u. Chemnitz, Conchyl. Cabin., X Bd., 3 Abth., p. 82, 



No. 51, pi. 2, fig. 10; pi. 14, figs. 9-10. 



— cuneatus, Linné, Sowerby, Thesaur. Conchyl., Ill, p. 311, No. 39, pi. 282, figs. 88—90. 



— — — V. Beutin, Révision d. Donacidées, 1881, p. 114, No. 105. 



— — — HiDAi.oo, Fauna malacol. de 1. isl. Filipinas, II, p. 173, No. 296. 



— bicoloT, Gmblin, Syst. Nat., ed. XIII, 1790, p. 3265, No. 16. 



— — — Lamarck, Hist. nat. d. anim. s. vert., V, p. 548, No. 13. — éd. 2, VI, p. 243, No. 13. 



— — Lamarck, Reeve, Conchol. icon., VIII, Donax, Sp. 28. 



— — — Sowerby, Thesaur. Conchyl, III, p. 311, No. 42, pi. 283, figs. 102 — 3 (non D.WcoJor, 



Römer). 



— granosa, — Hist. nat. d. anim. s. vert., V, 1818, p. 547, No. 8. — éd. 2, VI, p. 242, No. 8. 



— granosus, — V. Bertin, Révision d. Donacidées, p. 114 (non D.granosus, Römer). 



— australis, — Hist. nat. d. anim. s. vert., V, 1818, p. 548, No. 11. — éd. 2, VI, p. 242, No. 11. 



— — — QuoY et Gaimard, Voyage de l'Astrolabe, JI, 1833, p. 493, pi. 81, figs. 20—22. 



— obscura, Deshayes, Encyclop. method., II, 1830, p. 98, No. 13. 



Koh Kahdat, 1 fathom, sand (17). Koh Mak, sandy coast (4 -j- ^/s). 



Long. 15 — 28 mm. 



Distribution: — Andamans, Coromandel Coast, Ceylon, Seychelles and 

 Amirautés, Madagascar, Mascarenes, Zanzibar. — Poulo Condor, Philippines, Japan, 

 Amboina, Timor, New Guinea, Bismarck Archip., New Caledonia, Lifu, Viti Isis., 

 Samoa Isis. 



' The marine Mollusca of Bombay (Mem. and Proceed. Manchester Lit. and Phil. Soc, 4 Ser., 

 vol. VII), p. 47. 



