138 Journal of the Mitchell Society [February 



Corbula (Cuneocorbula) contracia Say. S C J 



Md. Geo. Surv., Plio.-Pleisto., pi. 53, fig.s. 1-4. 



Uncommon, inside. 



The largest and commonest Corbula. 

 Corbula (Cutieocorbula) dietziana C. B. Adams. 



Dall, U. S. Nat. Mus. Bi-ll. 37, pi. 2, figs. 7a-c. 



Four young valves, inside. 

 Corbula {C uneocorbula) swiftiana C. B. Adams. 



DaU, U. S. Nat. Mus. Bull. 37, pi. 2, figs. 5a and 5b. 



A few valves, inside. 

 Panopea floridana Heilprin. S C J 



Dall, Trans. Wagner Free Inst., vol. 3, pi. 10, fig. 21. 



Rare, outside, one right valve. 

 Barnea (Scobina) cosfata Linne. S C O J 



Dall, U. S. Nat. Mus. Bull. 37, pi. 68, fig. 9. 



Fairly common, outside. 

 Barnea truncata Say. S C J 



Dall, IT. S. Nat. Mus. Bull. 37, pi. 59, fig. 12. 



Uncommon, inside. 

 Martesia cuneiformis Say. S O J 



Johnson, Nautilus, vol. 18, p. 102, fig. 2. 



"Found in dead shells of Venus." One valve on Fiver's Island. 

 Martesia (Diplothyra) smithii (Tryon). A J 



Johnson, Nautilus, vol. 18, p. 102, fig. 3. 



"Abundant, railroad pier at Morehead City." Several in oyster shells. 

 Xylotrya gouldi Bartsch. O? A J 



Sigerfoos, U. S. Bur. Fish. Bull., vol. 27, pi. 11. 



Abundant, boring in submerged wood. 



GASTROPODA 



Fissuridea aUernata Say. S C O J 



Rogers, Shell Book, p. 227, fig. 2. 



Occasional, inside. (See Osborn.) 

 Diadora sp.? 



Probably new. 



Two specimens. 

 Turbo casianeus Gmelin. S C J 



Arnold, Sea-beach at Ebb-tide, pi. 67, fig. 4. 



Rare, inside; two specimens. 

 Calliosloma comtum (Philippi). S C? 0? J 



Figure 43. 



Occasional on jetties, especially of Shakleford Banks. 

 Cochliolepis striata Stimpson. 



Dall, Trans. Wagner Free Inst., vol. 3, pi. 23, figs. 16 and 17. 



Two specimens (8.5 mm. and 10.5 mm. long), inside. 

 Molleria costulata Moller. 



Dall, U. S. Nat. Mus. Bull. 37, pi. 72, fig. 9. 



Three specimens, inside. 



