Plate 32 

 ATLANTIC COAST BIVALVES 



a. GIANT ATLANTIC COCKLE, Dbwcar- 



diuni robustutn Solander, 4 inches 

 (Virginia to Texas), p. 40L 



b. VANHYNING'S GIANT COCKLE, D. ro- 



biistum vanJiyniiigi CI. and Smith, 4 

 inches (West Florida), p. 40 L 



c. FRILLED PAPER COCKLE, Papyridea 



sernisulcata Sby., Yj inch (Florida and 

 West Indies), p. 398. 



d. GREENLAND COCKLE, Serripes groen- 



landicus Brug., 3 inches (Quebec to 

 Massachusetts; Alaska), p. 401. 



e. ICELAND COCKLE, Clinocardium cilia- 



turn Fabr., 3 inches (Arctic to Massa- 

 chusetts; also to Washington), p. 403. 



f. OCEAN QUAHOG, Arctica islandica L., 



3 inches (Arctic to off North Carolina), 

 p. 381. 



g. SOUTHERN QUAHOG, Merccnaria 



campechiensis Gmelin, 5 inches (and 

 young) (Virginia to Florida), p. 406. 



h. NORTHERN QUAHOG, Mercenaria rncr- 

 cenaria L., 4 inches (Canada to east 

 Florida), p. 406. 



i. GRAY PYGMY VENUS, Chione gnis Hol- 

 mes, % inch (North Carolina to Louisi- 

 ana), p. 408. 



j. ROSTRATE CUSPIDARIA, Cu.spidaria 



rostraia Spengler, % inch (Massachusetts 



to West Indies), p. 476. 

 k. lEXAS VENUS, Callocardia tcxasinna 



Dall, 3 inches (Gulf of Mexico), p. 416. 

 1. MORRHUA VENUS, Pitar morrhunim 



Linsley, V/i inches (Canada to North 



Carolina), p. 414. 

 ni. PRINCESS VENUS, Aniigona Jistcri Gray, 



3 inches (Southeastern Florida and West 



Indies), p. 404. 



QUEEN VENUS, Antigona rugatitia Heil- 

 prin, Ij/^ inches (North Carolina to 

 West Indies), p. 405. 



DWARF SURF CLAM, Mulinia lateralis 

 Say, V:i inch (Maine to Texas), p. 449. 



ATLANTIC SURF CLAM, Spimla solidis- 

 siina Dill., 6 inches (Nova Scotia to 

 South Carolina), p. 446. 



CHANNELED DUCK CLAM, Labiosa 

 plica tella Lam., 3 inches (North Caro- 

 lina to West Indies), p. 449. 



ARCIIC WEDGE CLAM, Mesodesma 

 arctata Con., V/j inches (Greeidand to 

 Virginia), p. 451. 



FRAGILE ATLANTIC MACTRA, Mactra 

 fragilis Gmelin, 2 inches (North Caro- 

 lina to West Indies), p. 445. 



CAMPECHE AN(;EL WING, Pliolas caiu- 

 pec}}iensis Gmelin, 3 inches (North 

 Carolina to Mexico), p. 462. 



GIANT FALSE DONAX, Iphigenia bra- 

 siliensis Lam., 23^2 inches (Florida and 

 West Indies), p. 439. 



TRUNCATE GAPER CLAM, Mya ivun- 

 cata L., 2 inches (Arctic to Massa- 

 chusetts; also to Washington), p. 455. 



STRIATE MARTESIA, Martesia striata L., 

 1 inch (Florida and West Indies), 

 p. 464. 



COMMON SOF'I -SHELL CLAM, Mya 

 areuaria L., 4 inches (Labrador to 

 North Carolina), p. 455. 



ATLANTIC GROOVED MACOMA, Ajw- 

 lymetis intastriata Say, 2 inches (Florida 

 and West Indies), p. 434. 



FALSE ANGEL WING, Pctricola plioladi- 

 formis Lam., 2 inches (Canada to West 

 Indies), p. 420. 



