History of British animals - University of Guam Marine Laboratory

436 MOLLUSCA. DONACID^. Tellina.Length half an inch, breadth a little more, with two red spots under thebeaks, or with interrupted sagittate rays.485. T. squalida.— Oval-oblong;produced and pointed retrally; in one valve two teeth, and a single lateral one ;in theother a single tooth and two lateral ones.Pult. Dorset. 29.—Mont. Test. Brit. 56.—T. depressa, Don. Brit. Shells,t. clxiii.— Turt. Biv. Brit. 105— English and Irish coasts.Length about an inch, breadth nearly two inches ; colour reddish ; concentricallystriated, with irregular ridges of growth.** With two teeth in each valve, and the shell oval.486. T. striata.— Oval-triangular, with crowded transversestriae, and minute longitudinalones ; each valve with two lateralteeth.Mont. Test. Brit. 60. t. xxvii. f. 2.— Turt. Biv. Brit. 106—Southernshores of England, rare.Length an inch, breadth three quarters ; rosy-white, with fine and regularconcentric striae.487. T. tenuis.— Oval-triangular;irregularly striate transverselyone of the valves with a lateral tooth.;T. levis, List. Conch, t. ccccv. f. 251—T. planata, Penn. Brit. Zoo\. iv.87. t. xlviii. f. 29 T. tenuis, Don. Brit. Shells, t. xix. f. 2—Mont. Test.Brit, lix Turt. Biv. Brit. 107— Sandy shores, common.Length about half an inch, breadth three quarters; reddish, with generallydeeper bands ; compressed, somewhat truncated, and angular at theanal extremity.*** In each valve two teeth, and the shell somezvhat orbicular.488. T. maculata.— Suborbicular, and equivalve, with roughtransverse striae, and minute longitudinal ones, each valve withtwo lateral teeth.Turt. Biv. Brit. 108— Bantry Bay.Length an inch, breadth an inch and quarter ; whitish, with dark irregularspots the interstices of the distinct concentric striae are ;longitudinally striated,which gives a roughness to the aspect of the shell—This is probablyidentical with T. obtusa of Sowerby, Min. Conch, t. clxxix. f. 4, a reputedcrag fossil.489- T. crassa.— Suborbicular, unequivalve, nearly equilateral,with transverse stria?, and obscure longitudinal ones ; theleft valve with a remote lateral tooth on each side.Pectunculus planus, List. Conch, t. 299.— T. crassa, Penn. Brit. Zool. iv.87- 1. xlviii. f. 28—T. proficua, Pult. Dorset. 29. Mont. Test. Brit.69. T. reticulata, Maton and Rackett, Linn. Trans, viii. 54. t. i. f. 9.T. fausta, Pult. Dorset. 29. Mont. Test. Brit. 64. Don. Brit. Shells,t. xcviii. rigida, ib. t. ciii.— Southern shores of England and Ireland,rare in Scotland.Length from 1 to 2 inches, and a little more in breadth ; strong, semitransparent,whitish, tinged with yellow, or rayed longitudinally with pink left;