[681] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 387 



Florida (Conrad) ; Texas (Rojmer) ; Cuba (D Orbiguy). Fossil in 

 the Post-Pliocene of Virginia, South Carolina, and Florida 5 and 

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

 (P. Carolmensis Conrad), occurs in the Miocene of South Carolina. 



A species scarcely to be distinguished from this was sent to me in 

 large numbers from La Paz, Gulf of California, by Captain Pederseu. 



VENUS MERCENARIA Linne. Plate XXVI, fig. 184 (animal), (p. 359.) 



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

 ii, p. 133, fig. 445. Mercenaria violacca Schumacher, Essai d un Nouveau 

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

 mercenaria Chenu, Man. Conch., vol. ii, p. 82, figs. 356-358, 1862. Crasstienus 

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

 notata Say, Journ. Acad. Nat. Sci., Philadelphia, vol. ii, p. 271, 1822 (variety) ; 

 Gould, Invert., ed. i, p. 87, fig. 67 ; ed. ii, p. 135, fig. 446. Venus i&amp;gt;ra parca 

 Say, op. cit., p. 271, 1822 ; Binney s Say, p. 95. 



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

 Quahog Bay, Maine; Nova Scotia (Willis) ; and in the southern part of 

 the Gulf of Saint Lawrence, to the Bay of Cbaleur. 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 (Rcemer). Fossil in the Post-Pliocene of Point 

 Shirley, Nautucket Island, Gardiner s Island, Virginia, and South Caro 

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

 land, Virginia, North and South Carolina. 



CALLISTA CONVEXA Adams. Plate XXX, fig. 219. (p. 432.) 



H. and A. Adams, Genera, vol. ii, p. 425, 1858. Cythcrea convexaSay, 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 Deshayes, Catal. 

 Conch. Biv., British Museum, p. 71, 1853. Cytherea morrhuana Liusley, Ainer. 

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

 vi, p. 233, 1848 (young). Cythcrea Say an a 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, 1838 (fossil). Cytherea JSayii Perkins, Proc., Boston Soc. Nat. Hist., 

 vol. xiii, p. 147, 1869. Callista (Caryalin ) convcxa Romer ; Verrill, Amer. Jour. 

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



New Jersey to Gulf of Saint Lawrence, Fort Macon, North Carolina, 

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

 Great Egg Harbor, New 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. Nova Scotia 

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



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

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

 and South Carolina. 



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



