216 120 
I quite agree with J.C. Metvirt and ABERCROMBIE when they write! that: 
“PD. Dysoni appears to be incarnatus in a young form.” 
Donax (Serrula) nitidus, Desh. 
Donax nitida, Desuayes, Proc. Zool. Soc. London, XXII, 1854, p. 350, No. 153. 
_ — — Reeve, Conchol. icon., VII, Donax, Sp. 34. 
-~ (Serrula) nitidus, DesHAyES, ROMER in Martini u. CHEMNITZ, Conchyl. Cabin., X Bd., 3 Abth., 
p. 51 (non D. nitidus, Sowerby, Thesaur. Conchyl., fide Epc. Smirn). 
— _ — -- V. Bertin, Révision d. Donacidées, p. 88, No. 21. 
—  nitidus, DesHayrs, EpG. Smirn, Lamellibranchiata of the Challenger Expedition, p. 112. 
Between Koh Rin and Cliff Rock, 15 fathoms (‘/2). N. of Koh Kam, 5 fathoms, 
gravel ('/2). Between Koh Mesan and Cape Liant, 5—9 fathoms, sand ('/2). W. of 
Koh Kut, 15 fathoms (’/2). 
Long. 3—10 mm. 
Distribution: — Karachi and Mekran Coast (MELvILL & STANDEN). — Cape 
York, Moreton Bay, Port Jackson (Sydney). : 
Donax (Latona) cuneatus L. 
Donax cuneata, Linné, Systema Naturae, ed. X, 1758, p. 683, No. 87 (p. p.). — ed. XII, p. 1127, No. 108. — 
Mus. Lud. Ulric reg., p. 495, No. 52. 
— - —  Cuemnirz, Conchyl. Cabin., VI, 1782, p. 266, pl. 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, ROMER in Marini u. CHEMNITZ, Conchyl. Cabin., X Bd., 3 Abth., p. 82, 
No. 51, pl. 2, fig. 10; pl. 14, figs. 9—10. 
—  cuneatus, Linné, SowERsBy, Thesaur. Conchyl., III, p. 311, No. 39, pl. 282, figs. 88—90. 
— -- — V. Bertin, Révision d. Donacidées, 1881, p. 114, No. 105. 
— _ —  Hipareo, Fauna malacol. de 1. isl. Filipinas, II, p. 173, No. 296. 
— bicolor, GMELIN, 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. 
_ _ _ Sowersy, Thesaur. Conchyl., III, p. 311, No. 42, pl. 283, figs. 102—3 (non D. bicolor, 
Romer). 
—  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, Romer). 
australis, — Hist. nat. d. anim. s. vert., V, 1818, p. 548, No. 11. — éd.2, VI, p. 242, No. 11. 
— — Quoy et GAimarp, Voyage de 1'Astrolabe, II, 1833, p. 493, pl. 81, figs. 20—22. 
obscura, DesHAyeES, Encyclop. méthod., I, 1830, p. 98, No. 13. 
Koh Kahdat, 1 fathom, sand (17). Koh Mak, sandy coast (4 + +/2). 
Long. 15—28 mm. 
Distribution:— Andamans, Coromandel Coast, Ceylon, Seychelles and 
Amirantes, Madagascar, Mascarenes, Zanzibar. -- Poulo Condor, Philippines, Japan, 
Amboina, Timor, New Guinea, Bismarck Archip., New Caledonia, Lifu, Viti Isls., 
Samoa Isls. 
The marine Mollusca of Bombay (Mem. and Proceed. Manchester Lit. and Phil. Soc., 4 Ser., 
vol. VII), p. 47. 
