INVEETEBRATE ANIMALS OF YINEYAED SOUXD, ETC. 693 



Island Sound, Buzzard's Bay, Yineyard Sound, Massachusetts Bay, 

 Casco Bay, Bay of Fuudy (littoral to 50 fathoms), and, northward. Fort 

 Macon, North Carolina (Cones). 



Fossil in the Post-Pliocene of Greenland, Labrador, Canada, Lake 

 Cham plain, Maine, Xew Brunswick, Point Shirley, Massachusetts, 

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

 Eussia, and Great Britain; in the Bed Crag and all later formations in 

 England. 



MODIOLA MODIOLUS Turtou. Plate XXXI, fig. 237. (p. 309.^ 



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

 ii, p. 186, fig. 435; Dekay, op. cit., p. 185, Plate 24, fig. 257. Mytilus modiolus 

 Liaue, Syst. Nat., ed. xii, p. 1158. {f)Modiola pajmana Lamarck, Anim.saus 

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



Circumpolar : Greenland southward to Xew Jersey -, on the Euro])ean 

 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 : Yineyard Sound and Bozzard's Bay, 

 not abundant 5 common in Massachusetts Bay j abundant in Casco Bay 

 and Bay of Fundy, low- water to 80 fathoms. Staten 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, Bed Crag, and later formations in England. 



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



Anim. 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 ; Stimpson, 

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

 Philad., vol. vii, p. 244, Plate 20, fig. 7, (t. Gould). Mi/tilus demissus Billy n, 

 Catal. Recent Shells, vol. i, p. 314 (t. Gould). Brachydontes plicatidus H. and 

 A. Adams, Genera, 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 cf 

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

 Eiver, nor in the Bay of Fundy. Yery abuudant at Egg Harbor, Xew 

 Jersey, Long Island Sound, Buzzard's Bay, and Yineyard Sound j 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 Eiver (C. B. Fuller). Prince Edward's Island (Daw- 

 son). Xova Scotia (Willis). Fort Macon, Xorth Carolina (Coues). 

 Georgia (Coux^er). 



]\roDiOLA HA3IATUS Yerrill. (pp. 374, 475.) 



American Journ. Science, vol. iii, p. 211, Plate 7, fig. 3, 1872. Mytilus hamatus 

 Say, Jouru. Acad. Nat. Sci,, Philadelphia, vol. ii, p. 265, 1822; American Con- 

 chology, Plate 50; Binney's Say, pp. 91, 204, Plate 50. Aulacomya hamatus 

 Adams, Genera, vol. ii, p. 513. Brachydontes hamatus Perkins, op. cit., p. 156, 1869. 



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



