[671] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 377 



shells dredged, (A. E. Y.) ; Long Island Sound. Atlantic City, New 

 Jersey (Tyron). Specimens Prom the east and west coasts of Florida; 

 and from near Yera Cruz, Mexico (coll., Mr. Salt), are also in the 

 museum of Yale College. 



^EA CEISPATA Morch, 1853. (p. 433.) 

 H. and A. Adams, Genera, vol. ii,p. 327, Plate 89, figs. 5, 5a, 1853 ; Tryon, op. 

 cit., p. 211, 1862. Pholas crispata Liiane, Syst. Nat., ed. xii, p. 1111,1767 ; 

 Gould, Invert., ed. i, p. 27. Zirfcva crispata Gray, Figures of Moll. Anirn., 

 Plate 338, fig. 5, and 339, fig. 5, 1857 ; Ann. and Mag. Nat. Hist., ser. ii, vol. 

 viii, p. 385, 1851 ; Gould, Invert., ed. ii, p. 39, fig. 365. 



Stonington, Connecticut, to Gulf of Saint Lawrence ; Iceland ; north 

 ern coasts of Europe, south to France, and the southern coasts of Great 

 Britain ; west coast of North America, south to California. Charles 

 ton, South Carolina (Stimpson, t. Gould). New Jersey (t. Gould). 

 Wood s Hole, dead shells dredged, (A. E. Y.). Common in Casco Bay, 

 in 10 to 20 fathoms, perforating hard clay and sunken but sound wood ; 

 also in the Bay of Fundy, in 8 to 70 fathoms, in hard clay. Mr. C. B. 

 Fuller has obtained fine large specimens in submerged tree-stumps at 

 extreme low-water mark on Jewell s Island, Casco Bay. Fossil in the 

 Post-Pliocene of Maine, Scandinavia ; and in the Coralline and Bed 

 Crags of Great Britain. Its occurrence at Charleston, South Carolina, 

 needs confirmation. 



Martesia cuneiformis Gray, 1851; Tryon, op. cit.. p. 219. Pholas cunei- 

 formis Say, Jour. Acad. Nat. Sci., Philad., vol. ii, p. 322, 1822. 



This species was found by Mr. Perkins in oyster-shells, near New 

 Haven, but it was probably brought from farther south (Maryland or 

 Virginia) in the oysters. It inhabits the coasts of Florida and the 

 West Indies. 



Diplothyra Smith-ii Tryon, op. cit., p. 450, 18G2. 



This species was described from specimens found in oyster-shells at 

 Staten Island, where they were supposed to have lived. If really indig 

 enous there, it may be expected to occur in Lang Island Sound. 



SAXICAVA AROTICA Deshays. Plate XXYII, fig. 192. (p. 309.) 



Elem. Conch.. Plate xii, figs. 8, 9 (t. Gould) ; Forbes and Hanley, Brit. Moll., vol. 

 i, p. 141, Plato 6, figs. 4-6; Gould, Invert., ed. ii, p. 89, fig. 397. Mya arctica 

 Liun6, Syst. Nat., ed. xii, p. 1113, 1767. Mytiltis rugosus Liuiid, Syst. Nat., 

 eel. xii, p. 1156. Saxicava rugosa Lamarck, Anim. sans Vert., ed. ii, vol. vi, p. 

 152 ; Gould, Invert., ed. ii, p. 87 ; Jeffreys, Brit. Conch., vol. iii, p. 81. Mytilus 

 2&amp;gt;hola(Us Linne, Mant. Plant., p. 543. Saxicava plioladis Lamarck, op. cit., vol. 

 vi, p. 152. (?) Saxicava distorta Say, Jour. Acad. Nat. Sci., Philad., vol. ii, p. 318, 

 1822; Gould, ed. i, p. 62. 



Georgia and South Carolina to the Arctic Ocean ; northern coasts of 

 Europe to the Mediterranean : Pacific Coast of America, south to Santa 

 Barbara, California. Yarious other parts of the world are given as locali 

 ties by different authors. On our coast this shell is very common from 

 Massachusetts Bay to Labrador, occurring from low-water mark to 50 



