[693] INVERTEBRATE ANIMALS OF VIXEYARD SOUND, ETC, 399 

 Island Sound, liu/./anVs Hay, Vineyard Sound, MassaHinsi-f ts ! 



Casco Bay, Bay of Fundy (littoral to. *>() fathoms), and northward, F<>it 

 Macon, North Carolina (Cones). 



Fossil ill the Post-Pliocene of Greenland, Labrador, Canada, L;ik<- 

 Chainplain, Maine, New Brunswick, Point Shirley, MassaHnKrtts. 

 and Saint John's River, Florida; in the Post-Pliocene of Scandinavia, 

 Russia, and Great Britain; in the Red Crag and all later formations in 

 England. 



MODIOLA MODIOLUS Turton. Plate XXXI, fig. 237. (p. 309.) 



British Bivalves, p. 199, Plate 15, fig. 3, 1822; Gould, Invert., ed. i, p. 123; <<!. 

 ii, p. 186, fig. 485 ; Dekay, op. cit., p. 185, Plate 24, fig. 257. Mytilus modioln* 

 Linne", Syst. Nat., ed. xii, p. 1158. (?}Modiola papuana Lamarck, An im. sans 

 Vert., ed. ii, vol. vii, p. 17 ; Say, Amer. Conch., Plate 45. 



Circuinpolar : Greenland southward to New Jersey ; on the European 

 coast from Spitzbergen southward to Great Britain and France ; in the 

 North Pacific southward to Monterey, California, on the American 

 coast ; and southward to Northern Japan on the Asiatic coast. Long 

 Island Sound, not very common ; Vineyard Sound and Buzzard's Bay, 

 not abundant; common in Massachusetts Bay ; abundant in Casco Bay 

 and Bay of Fundy, low-water to 80 fathoms. Stateu Island and Long 

 Island (S. Smith). Fossil in the Post-Pliocene of Point Shirley, Massa- 

 chusetts, Montreal, Canada, Scotland, Ireland, Sicily, etc.; in the Cor- 

 aline Crag, Red Crag, and later formations in England. 



MODIOLA PLICATULA Lamarck. Plate XXXI, fig. 238. (p. 307.) 



Auim. sans Vert., ed. i, 1819 ; ed. ii, vol. vii, p. 22 ; Gould, ed. i, p. 125, fig. 81 ; ed. ii, 

 p. 188, fig. 486 ; Dekay, op. cit., p. 184, Plate 14, fig. 258 ; Hauley, Recent Shells, 

 p. 240. Mytilus plicatus Deshayes, Encyclop. Meth., Plate 220, fig. 5 ; Stimpsou, 

 Shells of New England, p. 12. Hodiola semicosta Conrad, Jonr. Acad. Nat. Sci., 

 Philad., vol. vii, p. 244, Plate 20, fig. 7, (t. Gould). Mytilus dcmissus Dillyn, 

 Catal. Recent Shells, vol. i, p. 314 (t. Gould). Braclujdontes plicatulus H. and 

 A. Adams, Gfenera, vol. ii, p. 517 ; Perkins, op. cit., p. 156. 



Georgia, to Casco Bay, Maine ; more rare and local farther north ; 

 in the southern part of the Gulf of Saint Lawrence, and on the coast of 

 Nova Scotia ; nor observed on the coast of Maine east of the Kennebeck 

 River, nor in the Bay of Fundy. Very abundant at Egg Harbor, Xew 

 Jersey, Long Island Sound, Buzzard's Bay, and Vineyard Sound ; less 

 abundant in Massachusetts Bay, near Salem, Massachusetts, etc.; local in 

 sheltered muddy coves about Casco Bay and Quahog Bay, Maine. Mouth 

 of the Kennebeck River (C. B. Fuller). Prince Edward's Island (Daw- 

 son). Nova Scotia (Willis). Fort Macon, North Carolina (Coues). 

 Georgia (Couper). 



MODIOLA HAMATUS Yerrill. (pp. 374. 475.) 



American Journ. Science, vol. iii, p. 211, Plate 7, fig. 3, 1872. Mytthts hamatux 

 Say, Journ. Acad. Nat. Sci., Philadelphia, vol. ii, p. 265, 1822; American C>n- 

 chology, Plate 50; Binney's Say, pp. 91, 204, Plate 50. Aulnntmya lttimntu* 

 Adams, Genera, vol. ii, p. 513. Brachydontes hamatti* Perkins, op. cit., p. 1 ">'>, 1 -i ''.'. 



Long Island Sound to Florida, and the shores of the Gulf of Mexico 



