48 Bulletin 34 80 



Distribution. — Hatteras to Sombrero, 36-124 fms. Recent in 

 the Gulf of Mexico (Dall) and Pleistocene of North Creek, 

 Manatee Co., Fla. 



Note. — Cardita conradi Shuttleworth, (Journ. de Conchy., 

 5, p. 173, 1856; Dall, Bull. 37, U. S. N. M., p. 46, '89) 

 is erroneously cited from Tampa. It is an East Indian 

 shell, not found in American waters. 



Genus VENERICARDBA Lamarck 



tridetitata Say, Jour. Acad. Nat. Sci., Phila., 5, p. 216, 1826 ; 

 Binney's Saj^, p. 124, pi. 40, f. 1-5, '58 ; Dall, Bull. 37, p. 

 46, '89; Tr. W. I. S., 3, p. 1433, 1903 ; Vaughan, Carn. 

 Publ. 133, p. 171, 1910. 

 Cardita tridentata Conrad, Fos. Medial Tert., p. 76, pi. 43, 

 fig. II, '45; Tuomeyand Holmes, Pleioc. S. Car., p. 67, 

 pi. 19, f. 9, 10, '55 ; Holmes, Post-Pl. Fos, S. Car., p. 31, 

 pi. 6, f. 8, 58. Not Reeve's figure, which is an exotic 

 shell. 

 Distribution. — Hatteras to West Fla., 36-124 fms. Miocene 

 to Recent. Gulf coast. — Recent : Charlotte Harbor, Fla. 

 Pleistocene : Labelle, Fla. Pliocene : Caloosahatchie marl: 

 armilia Dall, Proc. Acad. Nat. Sci. Phila., pp. 704, 713, 1902. 

 Distribution. — Dredged by S. S. Albatross in 24-196 fms. be- 

 tween the Mississippi delta and Cedar Keys, Fla. 

 perplana Conrad, Am. Jour. Sci., 41, p. 347, 1841 ; Dall, Proc. 

 Acad. Nat. Sci. Phila., p. 705, 1902. 

 fiabella Conrad, 1846, {2iS Astarte); Dall, Bull. 37, U. S. N. 

 M., p. 46, '89, {Venericardia) . 

 Distribution — Hatteras to Florida. 14-52 fms. Upper Miocene 

 to Recent. Gulf coast. — Charlotte Harbor, Fla. 



Genus CHAIVIA Ivinnseus 

 congregata Conrad, Am. Jour. Sci, 23, p. 341, 1833 ; Fos. Med. 

 Tert., p. 32, pi. 17, f. 2, '38 ; Tuomey and Holmes, Pleioc. 

 Fos. S. Car., p. 23, pi. 7, f. 7-10, '55 ; Whitfield, Mio. N. 

 J., p. 65, pi. 9, f. 14-18, '95 ; Dall, Tr. W. I., 3, p. 1400, 

 1903. 



