112 



Verrucosa. Venus veiTucoHu Lin. SyjL p. 1130- — Gmel. Syft. 



p. 3269, b.—Gualt. t. 75. H. 



Lin. Trans. vi.t.l7. i.5.6.( fVoad) 



Pult. Cat. Dorfct. p 33. 



Don. Br. Shells, ii. t. 44. 



Chem. Conch, vi. t.29. f.299. 300. 



Liji. Conch. t.2S4. f.l22. 



Favan. t. 47. E. 9. 



Tiirt. Lin. iv. p. 219. 

 Venus Ei-ycina. Br. Zool t 54. f 48. 43 A. 



Bjrlafe Corn. p. 278. t 28. f 32. 

 Peaunculus ftrlgatus. Da Cojia p. 185. t. 12. f. 1.1. 



Peftunculus membranaceus. IJ. p. 193. t.)3. f.4. left hand, 



V. with a ftrong, thick, heavy, fuii orbicular, convex, 

 rugofe fliell, with numerous, flrong, elevated ridges, 

 fomewhat recurved, and broken at the ends, particularly 

 the anterior) into irregular warty knobs : umbo turned 

 much to one fide; beneath which is a (Irong cordiform 

 depreffion; the cartilage flope of the left valve turns in- 

 ward, flightly llriated longitudinally, and marked tranf- 

 verfely with brown ftreaks. Inlide fmooth, white; mar- 

 gin finely crenated. 



Diameter from the umbo to the oppofite margin two 

 inches and a quarter ; breadth rather more. The colour 

 is generally of a dirty white, but fometimes of a dark ruf- 

 ty brown, moftly towards the pofterior end. Young (hells 

 of an inch diameter have the ridges much more prrfeft 

 and diftin6^, and the interftices are prettily crenulated. 



This 



