1912'] Distribution of Bivalves of Beaufokt^ N. C. 87 



Cardium (Liocardium) mortoni, Dall, Bull. 37, U. S. Nat. Mus., p. 54, 

 pi. 58, fig. 8, 1889. 



Cardium (Laevicardium) mortoni, Dall, Trans. Wagner Inst. Sci., 

 vol. 3, pt. 5, p. nil, 1900. 



The live animal may be obtained on Fivers Island, on the 

 shoals west of that island, and in the dredge in the vicinity of 

 Beaufort. 



Family Lucinidse. 



Genus Phacoides Blainville, 1825. 



Phacoides (Parvilucina) crenella Dall. 



Phacoides (Parvilucina) crenella, Dall, Proc. U. S. Nat. Mus., No. 

 1237, Synopsis Lucinacea, pp. 810, 825, pi. 39, fig. 2, 1901. 



Lucina crenulata, Dall, Bull. 37, U- S. Nat. Mus., p. 50, 1889. 



Living material could probably be found abundantly, but the 

 laboratory records are not sufficient to verify the assumption. 

 A rather small species. 



Genus Divaricella von Martens. 



Divaricella quadrisulcata (Orbigny). 



Lucina quadrisulcata Orbigny, Voy. Am. Men, Moll., p. 584, 1846. 



Lucina (Divaricella) quadrisulcata, Dall, Bull. 37, U. S. Nat. Mus., p. 

 50, 1889. 



Divaricella quadrisulcata, Dall, Trans. Wagner Inst. Sci., vol. 3, pt- 6, 

 p. 1389, pi. 51, fig- I, 1903. 



Valves are abundant and some entire animals have been col- 

 lected at Beaufort. This species should not be confused with 

 D. dentata Wood, which the writer has not found at Beaufort. 



April, 1912. 



