82 JOUKNAL OF THE MiTCHELL SoCIETY \^AugUSt 



Genus Mulinia Gray. 



Mulinia lateralis (Say). 



Mactra lateralis Say, Journ. Acad. Nat. Sci. Phila., vol. 2, p. 309, 1822; 

 Dall, Bull. 37, U- S. Nat. Mus., p. 62, pi. 69, fig. 8, 1889. 



Mulinia lateralis, Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 4, p. 901, 

 1898. 



The species is found at Pi vers Island and on a shoal west of 

 that island. Fairly abundant. 



FAMILY SOLENID^. 

 Genus Solen (Linnaeus) Scopoli, 1777. 



Solen viridis Say. 



Solen viridis Say, Journ. Acad. Nat. Sci. Phila., vol. 2, p. 316, 1822. 

 Solen (Ensis) viridis, Dall, Bull. 37, U. S. Nat. Mus., p. 72, 1889. 

 Solen viridis, Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 5, p. 952, 1900. 



A fe^ animals have been collected at Beaufort. One specific 

 collecting ground is the shoals west of the laboratory. 



FAMILY DONACIDJE. 

 Genus Donax (Linnaeus). 



Donax variabilis Say. 



Donax variabilis Say, Journ. Acad. Nat. Sci. Phila., vol. 2, p. 305, 1822; 

 Dall, Bull. 37, U. S. Nat. Mus., p. 58, 1889; Dall, Trans. Wagner Inst. 

 Sci., vol. 3, pt. 5, p. 969, 1900. 



The specific collecting ground is the seashore at Fort Macon. 

 At times small areas near the water's edge may be found where 

 the animals occur in large numbers. 



FAMILY PSAMMOBIID^. 

 Genus Tagelus Gray. 



Tagelus gibbus (Spengler). 



Solen gibbus Spengler, Skrivt. Nat. Selsk., vol- 3, p. 104, 1794. 

 Tagelus gibbus, Dall, Bull. 37, U. S. Nat. Mus., p. 58, pi. 55, fig. 3, pL 

 56, fig. 3, 1889 ; Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 5, p. 983, 1900. 



Collecting grounds: In muddy sand just south of railroad 

 pier at Morehead City, Fivers Island, shoals west of Fivers 

 Island. The animal may be found buried at a depth of a foot 

 or more in the ground between tide marks. Shells are common 

 on Shark Shoal. 



