Bulletins of American paleontology . north-cahollsta geological sukvey. 279 The scallop of our coast is regarded as a delicacy. It livesin shallow water, and is taken in great numbers at low tidefrom banks which are just submerged. They move throughthe water by opening and shutting their valves. Fossil pec-tens or scallops are very abundant in most of the miocenemarl beds in this State. The large scallops, P. JefFersoniusand P. Madlsonius abound in beds upon the Ncuse and Tarrivers, while they are less numerous upon the Cape lai-ge species is found upon the Meherrin, in North-ampt
Bulletins of American paleontology . north-cahollsta geological sukvey. 279 The scallop of our coast is regarded as a delicacy. It livesin shallow water, and is taken in great numbers at low tidefrom banks which are just submerged. They move throughthe water by opening and shutting their valves. Fossil pec-tens or scallops are very abundant in most of the miocenemarl beds in this State. The large scallops, P. JefFersoniusand P. Madlsonius abound in beds upon the Ncuse and Tarrivers, while they are less numerous upon the Cape lai-ge species is found upon the Meherrin, in North-ampton county, which I have not met with elsewhere. Itreplaces the English species, tlje Pecten princeps, which itclosely resembles. PECTKN COMPAKILIS. Slieh nuxliuni size; both valves convex with twenty-threeor twenry-fuur ribs, prominent and angular inside at base and spaces between nearly e<|n:il; ears radiately )F:o. North Carolina Geol. Sur.: Emmons 189 280 nokth-cakolma geological survey. Shell comparatively thin, and light and compressed valves;circular, sometimes oblique and equilateral; ribs twenty-four,marked on the outside with concentric squamose lines ofgrowth, which are undulating, the last of which are strong;lower valve less convex than the upper. It differs from thecomparilis in being concentrically marked, and thinner, be-sides it grows much larger. TECTEN PRINCEPOIDES. N. S. (Fig. 198.) Shell large, rather thick, compresed, sub-inequilateral, ra-diating striae coarse and very numerous ; transversely marked
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