BIVALVIA. 35 



9. Pecten opercularis, LinncBus. Tab. VI, fi^. 2, a — d. 



List. Hist. Conch., lib. iii, fig. 27. 

 OsTKEA oPERCULAKis. Linn. Syst. Nat., p. 1147, No. 202, 1767. 



Born. Mus. Cses. Vindobon, p. 106, 1780. 



— Schr'Ot. Einleit in die Conchyl., iii, p. 317, t. ix, fig. 3, 1784. 



_ — JV. Wood. Ind. Test., pi. 10, fig. 43. 



— BUBKUFA. Don. Brit. Shells, vol. i, pi. 12, 1799. 



— LiNEATA. Don. Brit. Shells, vol. iv, pi. 116, 1803. 



— SANGUINEA. PoU. Test. Sicil., vol. ii, pi. 28, figs. 7-8. 

 — ? Knorr. Delices des Yeux., t. iv, fig. 1, 1766. 



— PLEBEJA. Broc. Conch. Foss. Subap., p. 577, t. 14, fig. 10, 1814. 

 Pecten pictus. Da Costa. Brit. Conch., p. 144, pi. 9, figs. 1, 2, 4, 5, 1778. 



— LINEATUS. Id. - - p. 147, pi. 10, fig. 8. 

 _ — Mo7it. Test. Brit., pp. 147, 579, 1803. 



— — Chenu. Conch. Illust. Pecten., pi. 30, figs. 1, 2. 



— OPEECULAEIS. Chem. Conch. Cab., vii, p. 341, pi. 67, fig. 646, 1782. 

 _ — Mont. Test. Brit., p. 145, 1803. 



— — Lam. Hist, des An. Sans. Vert., vi, p. 172, 1822. 

 _ _ Brown. Illust. Conch. Gr. Brit., pi. 33, fig. 1, 1827. 

 _ _ Payr. Cat. des Moll, de la Corse., p. 77, 1826. 



— — Chenu. Conch. Illust. Pecten., pi. 48, fig. 3. 



_ _ Gold/. Pet. Germ., t. ii, p. 62, tav. 95, fig. 6, 1833. 



— — Phil. En. Moll. Sic, p. 82, t. 6, fig. 2, 1836. 



— — G.B. Sow., Jr. Thes. Conch., p. 53, pi. 17, figs. 141-146, 1847. 

 _ _ Lovhi. En. Moll. Scand., p. 30, 1846. 



_ _ Forb. and Hani. Hist. Brit. Moll., vol. ii. p. 299, pi. L, fig. 3 ' 



Li, figs. 5, 6; L iii, fig. 7, 1849. 



— SULCATUS. J. Sowerby. Min. Conch., t. 393, fig. 1, 1823. 

 _ _ Woodward. Geol. of Norf., p. 44, 1833. 



_ _ Nyst. Rech. Coq. Foss. Prov. d'Anv., p. 19, 1835. 



— EECONDITUS. /. Sowerby, Min. Conch., t. 575, figs. 5, 6, 1827. 



_ _ Nyst. Rech. Coq. Foss. Prov. d'Anv., p. 19, No. 73, 1835. 



— — Potiez et Mich. Cat. Moll, de Douai, p. 77, pi. 49, figs. I, 2. 



— SUBRUFUS. Turt. Brit. Biv., p. 210, t. 17, fig. 1, 1822. 



— AuDOUiNii. Payr. Cat. Moll, de Cors., p. 77, pi. 2, figs. 8, 9, 1826. 



— PLEBEius. J. Sowerby. Syst. Ind., p. 244, 1835. 



_ — Bronn. Leth. Geog., ii, p. 916, t. 39, fig. 16, 1838. 



— SowERBYi. Nyst. Conch. Foss. de Belg., p. 293, pi. 22, fig. 3, b', and pi. 22 bis. 



— Malvin^. Dubois de Montp. Conch. Foss. Wolhyn. PodoL, p. 71, pi. 8, figs. 2, 3. 



— FLAVUS? Id. p. 72, pi. 8, fig. 7. 



— RECTANGUMS? Id. p. 72,pl.8,figS.10,ll. 



— PULCHELLINtJS? Id. - - - - - p. 70, pi. 8, fig. 8. 



— RADIANS? Nyst. Coq. Foss. de Belg., p. 294, pi. 24, fig. 3, 1844. 



— 20-suLCATUs. MUll. (fide Lovhi.) 



Description de I'Egypt Hist. Nat., pi. 13, figs. 5, 1—4, and pi. 14, fig. 8, 1826. 



Ency. Meth., pi. 212, fig. 2. 



Dale. Hist, and Antiq. of Harwich, p. 291, t. xi, fig. 1, 1730. 



Spec. Char. Testa suborbiculari, subcequivalvi, longitudinaliter radiatd radm 18 — 26, 



