TRIBE NYMPHACEA. 77 



lunule ; inside glossy, hinge with three teeth in one valve (the middle 

 one cloven) and two in the other. Diam. 1^. 



L. Colombella. Lam. 15. — Sow. G. f. G. — L. Adansoni. 

 D' Orb. Mol. Cari.t. 7 >f- 26, 7> Sub orbicular, convex, gibbous, 

 transversely grooved and one of the slopes hollowed ; beaks mode- 

 rately prominent and obliquely curved. — Senegal. 



L. Sinuata.* Lam. 16. — Tellina Flexuosa. Mont. p. 72. 

 — D. p. 99.— Don. t. 42. /. 2.— W. t. 4. f. 78.— Cryptodon F. 

 Tart. Biv. t. 7.f. 9, 10.— Lucina F. Gould. Mas.f. 52. Sub- 

 orbicular, convex, thin, pellucid and white ; marked with minute irre- 

 gular concentric wrinkles, and a longitudinal furrow extending from 

 the apex parallel to the cartilage slope, and forming a deep curve in 

 the margin at its termination : hinge with a single obscure penetra- 

 ting cardinal tooth. Diam. jl. — Atlantic. 



L. Pecten. Lam. I/.— Del. t. 6. f. 8. — An. L. Bella. 

 Conrad. I. A. N. S. Phil. 7. t. 19. f. 11.? Sub- orbicular, rather 

 broader than long, but slightly convex, whitish with small rounded 

 transversely striated radiating ribs : inner margin crenulated. %. — 

 Senegal. — Not unlike a cockle. 



L. Lutea. Lam. 18. — Del. t. 6. f. 9. Rounded oval, sub- 

 equilateral, rather broader than long, very small, smooth, pellucid, 

 canary yellow, no lateral teeth. -J. —Mauritius. 



L. Digitalis. Lam. 19. —Del. t. 6. f. 10.— Tellina Digi- 

 taria ? Lin. Gmel. No. 75. Small rounded triangular, whitish 

 tinged with rose colour at the umbones, which are tumid and marked 

 with very elegant fine and oblique striae. Mediterranean. 



L. Globularis. Lain. 20. Sub-globose, thin, whitish, vesi- 

 cular ; no lateral teeth, fy. — New Holland. 



L. Virginea. Desk. — E.vol. 3. p. 379. Orbicular, depressed, 

 white, with transverse ridgelike striae and very delicate longitudinal 

 ones ; beaks very small and acute ; anterior depression heart-shaped, 

 and rather exserted in the middle, posterior simple and tinged with 

 rose-color. — Amboyna. — Not unlike JRadula, but larger and differ- 

 ing by the hinge y the lunule, and the anterior slope. 



L. Aurantia. Lam. 34. — Ch. f. 396. Orbicular, convex, 

 turgid and thick, whitish at the beaks, becoming orange as it recedes 

 from them, finely striated transversely ; lunule depressed and ovate, 

 posterior depression large and ovate : margins entire. — Indian 

 Ocean, 



L. Punctata. Sow. G. — Reeve, t. 59. f. 1. — Venus P. Lin. 

 \\M.—D.p. \9A.—W.t.S.f. 81.— Cytherea P. Lam. 54.— 

 Ch.f. 397, 8.—E. t. 277. / 3. Sub-orbicular, rather depressed, 

 whitish often stained with pink on the slopes, with longitudinal 

 distant grooves, and the intermediate spaces flattened : within with 

 the margin rosy, and the central portion thickened, dotted, and 

 usually yellowish : posterior depression minute and excavated. 

 Diam. 2. — Indian Ocean. 



