and of its />,j„ ndt notes. 385 



6. Area ponaero&a, Say. A few dead valves were found on the 

 ocean shore, near Fire Island Light. 



Range — From Long Island to Tampa Bay. 



7. Area pexata, Say. Everywhere; more abundant on the ocean 

 shore. 



Range — Cape Cod to Texas. 



IVaculidae. 



8. Nucvla proxima, Say. Very abundant in the bavs. Prom 

 two to ten fathoms. 



Range — S. Carolina to Nova Scotia. 



9. Nucvla radiata, De Kay. We have not been able to identify 

 this species. East River, opposite Williamsburg (Stillman, fide 

 De Kay). 



10. Leda Thraciaiforvnis, St. From the stomach of a codfish, 

 taken off our coast (Jay, fide De Kay). < Mf Fire Island Light in ten 

 fathoms. (U. S. Coast Survey, fide Stimpson). 



Range — Fire Island beach to Greenland. 



11. Leda sapotUla, St. Greenport, in three fathoms mud ; rare and 

 small.' 



Range — Greenport to Labrador and Northumberland Sound. 



12. Leda {Nucvla) Govldi, De Kay. We have not been able to 

 identify this species. One specimen from the Sound (De Kay). 



13. Leda limatula,' St. New York Bay (Wheat ley). Hunting- 

 ton and Greenport; moderately abundant. In two to fi%e fathoms 

 mud. Much smaller than from north of Cape Cod. Average length, 

 0.8 or 0.9 inches; largest observed, 1.2 inches. 



Range — N. Carolina to Nova Scotia, Northern Scandinavia; 

 Kamschatka. 



Mytilidn. 



14. J/i/tihis dpcussntii.i^ Mont. A few <lead specimens dredged 

 from Gardiner's Bay. 



Range — Gardiner's Bay to Greenland, North. Scandina\ia to Scot- 

 land. 



15. MytU/us corrugahts, St. One living specimen dredged in 

 Gardiner's Bay, in about five fathoms mud. 



