114 



ed: umbo turns much to one Ode, beneath which is a cor- 

 diform deprelhon: the cartilage flope much deprelled, 

 ahnoft fmooth, or faintly llriaied longitudinally. Inlide 

 white; margin finely crenated. Length rather more than 

 an inch; breadth an inch and a quarter. A variety is 

 rayed with brown and white. 



This fpecies appears to be commo , >x\ many parts of 

 our coafts. Da Costa fpeaks of L. i:..ai Chihirr, York- 

 Jhire, FLintJJiire, the illes of Scillv, Caernarvon/hire, 

 Cornwall, and DorfctJJiire. In the two lad places we have 

 found it not uncommon, as well as on the fhores of Devon, 

 Caermarthenjliire , and other parts of the fouth coaft of 

 Wales. 

 4. — «=— 



IsLANDiCA. Venus Iflandica. Lin. Syji. p. 1 1 "^l. ~ Gniel. Syft. p. 5211. 



Puh. Cat. Dorfet. p 33.— Gualt. t. 85. B ? 

 Don. Br. Shells iii. t.77.— Tiirt.Lin. iv.p.221. 

 Chan. Conch, vi. t.32. f.341. 342. 

 Lift. Conch, t.272. f. 108.— /^. Angl t.4.f.22. 

 Lin. Trans, vi. t. 17. f. 1. 2. (IVood.) 

 Venus mercenaria Br. Zoo!, t 53. f 47, 

 Peaunc. crafTus. Da Cofta p. 183. t. 14. f. 5. 



V. with a ftrong, thick, fub-orbicular, convex, white 

 {liel!, wrought with irregular concentric firiae; covered 

 with a rough, but glofly yellowidi-brown, or dufky e//i- 

 dermis : xivlbo pointed, turned inwards, and curved to 

 one fide : no cordilorm deprefiion. Infide fmooth, while: 

 margin plain. Length three inches and three-quarters*, 

 breadth four inches and a quarter. 



This 



