30 CONTRIBUTIONS FROM THE CHARLESTON MusrEuM 
485. mitchelli Dall. Rare. Colonial Lake, Charles- 
ton, fine! Sullivan’s Island! 
486. ——— tenta Say. Common. 
487. tenuis DaC.* (Dall ’85, p. 153.) 
488. sp. Two specimens, Isle of Palms (Long Island)! 
Family SEMELIDAE 
489. Semele bellastriata Con. One valve, Sullivan’s Island! 
490. nuculoides Con. Rare. Sullivan’s Island! 
491. proficua Pult. (reticulata Gmel.). Common. Sul- 
livan’s Island! 
492. Abra aequalis Say. Common. 
493. angulata Holmes. 
494, lioica Dall. Frequent. 
495. Cumingia tellinoides Con. Rather rare. 
Family PSAMMOBIIDAE 
496. Tagelus divisus Spengler. Common. 
497. gibbus Spengler. Common. The finest speci- 
mens of these two species which I have seen were taken from 
Colonial Lake, Charleston, where they are plentiful. 
Family DONACIDAE 
498. Donax fossor Say. Very rare. Sullivan’s Island! 
499. ——— variabilis Say. Abundant. 
Superfamily SOLENACEA 
Family SOLENIDAE 
500. Solen viridis Say. Common. 
501. Ensis directus Con. Common. I collected my best 
specimens on Pawley’s Island. 
502. Psammosolen sanctae-marthae Chemn. One fine spec- 
imen, stomach of fish off Charleston Bar, my cabinet. 
Superfamily MACTRACEA 
Family MACTRIDAE 
503. Mactra similis Say. Common. 
504. solidissima Chemn. Beaufort. 
