Tellina.
05. T. crassa, Penn.—T. maculata, T. rigida.—S. Devon, Guernsey, Man, Tenby, Bantry, Forth, etc., low-water to 15 fath., C. Thick, orbicular.
06. T. balaustina, Linn.—Birterbuy, Skye, Exmouth, Rr. as British.
07. T. donacina, Linn.—T. trifasciata, T. variegata, T. Llantivyi.—Various British loc., and S. Europe, 5 to 50 fath., C. Wedge-shaped.
08, 9. T. proxima, Brown.—Var. T. calcarea (9), T. ovalis, T. sordida, Sanguinolaria sordida, Macroma tenera.—Skye, etc., R.
10, 11. T. pygmæa, Phil.—Devon, Cork, Shetland, etc., 8 to 50 fath., C. Smaller, more convex, and more truncate than T. donacina.
12, 13. T. tenuis, Da Costa.—T. planata, T. polita, T. exigua.—On sandy shores, in various localities, C. Flat, thin.
14. T. incarnata, Linn.—T. squalida, T. depressa.—Devon, Bantry, Tenby, R. Flat, beaked.
15. T. solidula, Pult.—T. rubra, Da Costa, T. carnaria, T. zonata, Psammobia solidula, T. Balthica.—All British coasts; littoral, C. Thick, inflated.
16. T. fabula, Gronovius.—T. discors.—On sandy shores generally, C. Valve with oblique striæ (omitted by error).