Mazycx: Mouuusca or SoutH CAROLINA an 
505. — (Mactrotoma) fragilis Gmel. Not uncommon. 
506. Mulinia lateralis Say. Common. 
507. Labiosa canaliculata Say. Common. 
508. lineata Say. Less common than canaliculata. 
Family MESODESMATIDAE 
509. Ervilia nitens Mont. Very rare. Sullivan’s Island! 
510. Mesodesma concentrica Holmes. Rare. Sullivan’s 
Island! 
Superfamily MYACEA 
Family MYACIDAE 
511. Myaarenaria Linn. Rare. Folly Island. 
Family CORBULIDAE 
512. Corbula contracta Say. Common. 
513. nasuta Say. One specimen, Isle of Palms 
(Long Island)! 
514. swiftiana C. B. Ad. One specimen, Truesdale’s, 
Sullivan’s Island! 
515. Paramya subovata Con. Very rare. Sullivan’s Island! 
Family SAXICAVIDAE 
516. Saxicava arctica Linn. Common. 
517. ——— rugosa Linn. Sullivan’s Island! 
Family GASTROCHAENIDAE 
518. Gastrochaena ovata Sow. Isle of Palms (Long Island)! 
Charleston Harbor, Dr. Wm. Stimpson. This is probably the 
Gastrochaena americana Stimp. of Kurtz’s List. 
Superfamily ADESMACEA 
Family PHOLADIDAE 
519. Pholas costata Linn. Common. 
520. truncata Say. Common. 
521. Dactylina campechiensis Gmel. Fairly common. 
522. Zirphaea crispata Linn.* “Charleston” (Smith & 
Prime ’70, p. 391). 
