157 253 



It is iiol possible for me to distinguish between specimens from the Gulf of 

 Siam and European individuals, e. g. from the Mediterranean. Besides the synonyms 

 above enumerated several more can undoubtedly be added, thus, e. g. V. semi- 

 purpurea, Dunk.,' mitis, Desh. , '^ planicosta, Desh., etc."' 



Fam. Petricolidae. 



Naranio lapicida, Chemn. 



Venus Lapicida, Chemnitz, Concliyl. Cabin., X, 1788, p. 356, pi. 172, figs. 1664—65. 



— - - Gmelin, Syst. Nat., ed. XIII, p. 32(i!l, No. 148. 



Naranio lapicida, — Deshayk.s, Catalogue of the Concliifera in the coll. of the Brit. Mus., I, 1853, 



p. 216, No. 2. 

 Petricola ~ — Sowerby, Thesaur. Conchyl., 11, 1855, p. 776, No. 20, pi. 166, fig. 26. 



~ — — Krebs, West-Ind. mar. shells, 1864, p. 108. 



— — — Sowerby in Reeve, Couchol. icon., XIX, Petricola, Sp. 24. 



— — — EuG. Smith in Zoolog. Collect, of H. M. S. Alert, 1884, p. 98, No. 22. 

 Choristodon lapicidum, Chemnitz, Phitchaiu) and Gatliff, Proceed. Roy. Soc. Victoria, vol. 16, 1903, p. 121. 

 Venus divaricata, Chemnitz, Conchyl. Cabin., X, 1788, p. 357, pi. 172, figs. 1666—67. 



Petricola - d'Orbigny, Mollusques de I'ile de Cuba, II, 1853, p. 265, No. 463. 



Naranio — Chemnitz, Deshayes, Catal. Conchif. Brit. Mus., I, 1853, p. 216, No. 1. 

 Petricola — — Sowerby, Thesaur. Conchyl., II, p. 776, No. 19, pi. 166, figs. 24— 25. 



— — Deshayes, Mabille et Le Mesi.e, Journ. de Conchyl., vol. 14, 1866, p. 117. 



— — Chemnitz, v. Martens in v. d. Decken's Reisen in Ost-Afrika, 111, 1869, p. 66, pi. 3, fig. 3. 



— — — Sowerby in Reeve, Conchol. icon., XIX, Petricola, Sp. 22. 

 Choristodon divaricatum, Chemnitz, H. & A. Adams, Genera of rec. Moll., II, 1858, p. 442, pl. 110, fig. 2. 

 Venus divergens, Gmelin, Syst. Nat., ed. XIII, 1790, p. 3269, No. 147. 



Petricola coslata, Lamarck, Systeme d. anim. s. vert., 1802, p. 121. 



Naranio — — Gray, Ann. and Mag. Nat. Hist., 1853, XI, p. 38. 



Petricola lucinalis, — Hist. nat. d. anim. s. vert., V, 1818, p. 504, No. 4. — éd. 2, VI, p. 157, No. 4. 



Koh Chang, 1 fathom, old coral blocks (12). Koh Kahdat, 1 fathom, sand (1). 



Long. 7—23 mm. 



Distribution: - Gulf of Manaar, Maldive Archip., Persian Gulf, Gulf of 

 Oman, Aden, Red Sea, Mauritius, Zanzibar, Mozambique, Querimba Isis. — Poulo 

 Condor, Aru Isl., Torres Strait, Mast Head Reef (Queensland), St. Vincent's Gulf 

 (South Australia), Victoria, Yap, Pelew Isis., Funafuti Atoll. — East coast of America: 

 Florida, Greater and Lesser Antilles (to Martinique, Dall). 



Fam. Cardiidae. 



Cardium (Acanthocardium) setosum, Redf. 



Cardium setosum, Redfield, Ann. Lyceum Nat. Hist. New York, IV, (18461 1848, p. 168, pl. XI, fig. 1. 



— — — Edg. Smith, Rep. Challenger Lamellibranchiata, 1885, p. 158. 



■ Dunker, Index moll. mar. Japon., p. 2Ü8. - Pilsbry, Catal. of the Mar. Moll, of Japan, 1895, p. 129. 

 - Taken at Botany Bay (Angas) and Tasmania (Tate & May). 



^ That V. Irus may also occur ornamented with vivid colours has been stated by Dautzenbekg 

 (loc. cit. p. 443) and Pallary (Journ. de Conchyl., 1900, pp. 403-4); it then recalls V. exotica, Hani. 



