Kellia.

05. K. suborbicularis, Mont. (Mya.)—Bornia inflata, Tellina and Tellimya s.—Anglesea, Portland, Zetland, etc., low-water to 60 fath., Mr.

06. K. lactea, Brown, (Tellimya.)—Brit. co. generally. More oblong than K. sub.

07, 8. K. rubra, Mont. (Cardium.)—Poronia r., etc.—Numerous localities; littoral, C.

Lepton.

09. L. squamosum, Mont.Solen and Lutraria s.—Salcombe Bay, Tenby, Cork, etc., R. Flat, subquadrate.

10. L. nitidum, Turt. (Kellia.)—Torbay, Skye, R. Less square and flat than L. squamosum.

11. L. convexum, Alder.—Bantry Bay, Rr. Convex, granulated.

12. L. Clarkiæ, Clark.—Exmouth, Plymouth, Zetland, Rr. Minute, oval, smooth.

13. L. sulcatulum, Jeffr.—Annals, Feb. 1859. Guernsey, Mc. Concentrically wrinkled.