1912^ Distribution of Bivalves of Beaufort, N. C. 85 



FAMILY VENERID^. 

 Genus Dosinia Scopoli, 1777. 



Dosinia discus (Reeve). 



Artemis discus Reeve, Conch. Icon., vol. 6, Artemis, pi. 2, fig. 9, 1850. 



Dosinia (Dosinidia) discus, Dall, Proc. U. S. Nat. Mus-, No. 1312, 

 P- 379. pl- 12, rig. I, pi. 13, fig. I, 1902; Dall, Trans. Wagner Inst. Sci., vol. 

 3, pt. 6, p. 1232, 1903. 



Material very abundant in the sand flats about Fivers Island. 

 It is found buried in sand nearly a foot below the surface, near 

 the low water mark. It could probably be found on sandy shoals 

 generally in the vicinity. 



Genus Macrocallista Meek, 1876. 



Macrocallista nimbosa (Solander). 



Venus nimbosa Solander, Portland Cat., p. 175, No. 3761, 1786. 



Cytherea (Callista) gigantea, Dall, Bull. 37, U. S. Nat. Mus., p. 56, 

 1889. 



Macrocallista nimbosa, Dall, Trans. Wagner Inst. Sci-, vol. 3, pt. 6, 

 p. 1254, 1903. 



One specific collecting ground is the shoals west of Fivers 

 Island. It is also found on Shark Shoal. Charles Hatsel states 

 that it is common on Bird Shoal and that it lives three or four 

 inches below the surface in sand between tide marks. 



Genus Chione Megerle von Muhlfeld, 1811. 



Chione cancellata (Linnaeus). 



Venus cancellata Linnaeus, Syst. Nat., Ed. 12, p. 1130, 1767; Dall, 

 Bull. 37, U. S. Nat. Mus-, p. 54, 1889. 



Chione cancellata, Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 6, p. 1290, 

 1903. 



Specific collecting grounds are about the laboratory pier at 

 Fivers Island and on the old oyster reef across the channel from 

 the east side of Fivers Island. It is a very abundant species, 

 living on muddy or shelly bottom, near or on the surface, at 

 about low water mark. 



Genus Venus (Linnaeus) Lamarck. 



Venus mercenaria (Linnaeus). 



< Venus mercenaria Linnaeus, Syst. Nat-, Ed. 10, p. 686, 1758. 

 Venus mercenaria, Dall, Bull. 37, U. S. Nat. Mus., p. 54, pi. 55, fig. 7, 



