670 EEPOET OF COMMISSIONER OF FISH AND FISHERIES. 



Teredo megotara Hanley. Plate XXYII, fig. 188. (p. 387.) 



Forbes and Hanley, Brit. Conch., vqj. i,]i. 77, Plate 1, figs. 1, 2 ; Plate 18, figs. 1, 

 2; vol. iv, p. 247; Tryon, op. cit., p. 466, 1862; Jeff"reys op. cit., p. 176; 

 Gould, Invert., ed. ii, p. 30, fig. 357. 



Massachusetts Bay to South Carolina. Coinnion in floating drift- 

 wood, iu tbe North Atlantic ; north to Greenland, Iceland, and Spitz- 

 bergen ; coasts of Scandinavia and Great Britain. Fossil in the Post- 

 Pliocene of Scandinavia. 



Teredo Thomsonii Tryon. Plate XXVII, fig. 187. (p. 387.) 



Proc. Acad. Nat. Sci., Philadelphia, vol. xv, p. 28, Plate 2, figs. 3, 4, 5, 1863; 

 Gould, Invert., ed. ii, j). 31, fig. 358. 



Xew Bedford, Massachusetts, in cedar buoys (Tryon). Provincetown, 

 . Massachusetts, in whale-ship (Atwood). 



Teredo dilatata Stimpsou. 



Proc. Boston Soc. Nat. Hist., vol. iv, p. 113, 1851 ; Shells of New England, p. 26 ; 

 Tryon, op. cit., p. 464, 1832; Gould, lavert., ed. ii, p. 32, tig. 359. 



Massachusetts to South Carolina (Tryon). Cape Ann, in buoys, 

 (Stimpson). Provincetown, Massachusetts (Gould). Greenport, Long 

 Island (S. Smith). I have not met with this species south of Cape Cod. 



Xylotrya fimbriata Jeffreys. Plate XXYII, fig. 189. (p. 387.) 



Annals and Mag. Nat. Hist., ser. iii, vol. vi, p. 126, 1860 ; Tryon, op. cit., p. 478, 

 1862 ; Gould, Invert., ed. ii, p. 34, fig. 361. Teredo palmulata Forbes and 

 Hanley, Brit. Moll., vol. i. p. 86, Plate 2, figs. 9-11, {non Lamarck). Xyl- 

 ofrya jjahmilata Stimpsou, Check-List, p. 3, 1860 ; Perkius, Proc. Boston Soc. 



' Nat. Hist., vol. xii, p. 141, 1869. 



Long Island Sound to Florida ; Pacific coast, at the Straits of Fuca ; 

 Europe. In an old submerged wreck near New Haven. From the hull 

 of the " Peterhoff," used in the blockade of the southern coast during the 

 late war. Frequent in vessels from foreign ports. 



PflOLAS TRUNCATA Say. Plate XXVIL fig. 200. (p. 372.) 



Journal Acad. Nat. Sciences, Philadelphia, ser. i, vol. ii, p. 321, 1822 ; Binney's Say, 

 p. 107 ; Haulej', Recent Shells, p. 6, Plate 9, fig. 26 ; Tryon, op. cit., p. 202 ; 

 Gould, Invert., ed. ii, p. 38, fig. 364. 



Ylneyard Sound to Florida. Paj^ta, Peru (Tryon). Common on the 

 shores of Long Island Sound, near Xew Haven. The large specimens 

 from Sable Island (Gould), mentioned by Tryon, were not this species, 

 but Z. crispata. 



Pholas costata Linne. (p. 433.) 



Systema Natnne, ed. xii, p. 1111, 1762 ; Tryon, Proc. Acad. Nat. Sciences, Phila- 

 delphia, xiv, p. 201, 1862 ; Gould, Invert., ed. ii, p. 37, fig. 363. 



Caribbean Sea to Buzzard's Bay. Southern Europe (Linne). Xew 

 Bedford Harbor, living, (Gould) ; \Vood's Hole, Massachusetts, dead 



