INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 681 



Florida (Courad) j Texas (Roemer) ; Cuba (D'Orbigiiy). Fossil in 

 the Post-Pliocene of Virginia, South Carolina, and Florida: and 

 in the Pliocene of South Carolina. A similar form, if not identical 

 (P. CaroUnensis Conrad), occurs in the Miocene of Sonth Carolina. 



A species scarcely to be distinguished from this \\s.s sent to me in 

 large numbers from La Faz, Gulf of California, by Captain Pedersen. 



Venus mercenaria Linne. Plate XXVI, fig. 184 (animal), (p. 359.) 



Systema Natume, ed. xii, p. 1131,1767 ; Gould, Invert, ed. i, p. 85, fig. 67 ; ed. 

 ii, x^- 133, fig. 445. Mercenaria violacea Scbnmaclier, Essai d'nn Nouveau 

 Syst., p. 135, Plate 10, fig. 3, 1817 ; Adams, Geuera, vol. ii,p. 419. Mercenaria 

 mercenaria Clienii, Man. Conch., vol. ii, p. 82, figs. 356-358, 1862. Crassivenits 

 mercenaria Perkins, Proc. Boston Soc. Nat. Hist., vol. xiii, p. 147, 1869. Venus 

 votata Say, Journ. Acad. Nat. Sci., Piiiladelpliia, a'oI. ii, p. 271, 1822 (variety) ; 

 Gould, Invert., ed. i, p. 87, fig. 67 ; ed. ii, p. 135, fig. 446. Venus ijra'imrca 

 Say, op. cit., p. 271, 1822 ; Binuey's Say, p. 95. 



Florida to Massachusetts Bay ; more rare and local farther north, at 

 Quahog Bay, Elaine 5 Xova Scotia (Willis) 5 and in the southern part of 

 the Gulf of Saint Lawrence, to the Bay of Chaleur. It is not found on 

 the coast of Maine, east of Kennebeck River, nor in the Bay of Fundy. 

 Very common in Vineyard Sound, Buzzard's Bay, Long Island Sound, 

 and southward. Fort Macon (Cones) ; South Carolina (Gibbes) ; 

 Georgia (Couper) ; Texas (Rosmer). Fossil in the Post-Pliocene of Point 

 Shirley, Xantucket Island, Gardiner's Island, Virginia, and South Caro- 

 lina ; in the Pliocene of South Carolina : and in the Miocene of Mary- 

 land, Virginia, Xorth and South Carolina. 



Callista convexa Adams. Plate XXX, fig. 219. (p. 432.) 



H. and A. Adams, Genera, vol. ii, p. 425, 1858. Cytherea convexa Say, Journ. Acad_ 

 Nat. Sci., Phil., vol. iv, p. 149, Plate 12, fig. 3, 1824 (fossil) ; Gould, Invert., ed. 

 i, p. 84, fig. 49 ; ed. ii, p. 131, fig. 444 (recent). Dione convexa Desliayes, Catal. 

 Concb. Biv., British Museum, p. 71, 1853. Cytherea morrhuana Limslej, Amer. 

 Jour. Sci., vol. xlviii, p. 276, 1845 (no description) ; Gould, op. eit., ser. ii, vol. 

 vi, p. '233, 1848 (young). Cytherea Sayana Conrad, Amer. Jour. Sci., ser. i, vol. 

 xxiii, p. 345, 1833 (recent) ; Fossils of the Medial Tertiary of the U. S., p. 13, Plate 

 7, fig. 3, 18.38 (fossil). Cytherea ISayii Perkins, Proc, Boston Soc. Nat. Hist., 

 vol. xiii, p. 147, 1839. Callista (Caryaiis) convexa Romer ; Yerrill, Amer. Jour. 

 Sci., vol. xlix, p. 277, March, 1870. 



Xew Jersey to Gulf of Saint Lawrence, Fort iMacon, Xorth Carolina, 

 dead valves on the beach, plenty, but perhaps fossil, (Cones, Yarrow). 

 Great Egg Harbor, Xew Jersey ; Long Island Sound; Vineyard Sound, 

 and Buzzard's Bay, 2 to 10 fathoms, mud, common ; Casco Bay, 3 to 

 8* fathoms, mud, adult, living ; Eastport, Maine, rare. Xova Scotia 

 (Willis); Prince Edward's Island (Dawson). 



Fossil in the Post-Pliocene of Virginia and Xorth Carolina ; in the 

 Pliocene of South Carolina ; and in the Miocene of Maryland, Xorth 

 and South Carolina. 



The name Sayana given to this species in 1833 (loc. cit.) by Mr. Con- 



