ii4 



Buixetin 34 



146 



marina Sellius, Nat. Hist. Tered. tab. 2, f. 2, 3, 6, 1733. 

 Note. — The borings of this famous shipworm suggested to 

 Brunei many years ago his method of tunneling the 

 Thames. First recognized as a bivalve mollusca by Sel- 

 lius, in 1733. 



Distribution. — Arctic Ocean to Florida. Recent. Gulf coast. 



West Fla., Galveston and the entire Texan coast. Very 



destructive to wooden wharves at Galveston. Found in 



driftwood, Texas coast, by Roemer, in 1849. 

 megotara Forbes and Hanley, Brit. Conch., 1, p. 77, pi. 4, f. 6, 



pi. 18, f. 1, 2, 1853 ; Sowerby, 111. Br. Shells, pi. 1, f. 3 ; 



Tryon, Pr. A. N. S. Phila., p. 466, '62; Gould, Inv. 



Mass., Binney's ed., p, 30, f. 357, '70 ; Dall, Pr. U. S. N. 



M., 6, p. 337, '83; Bull. 37, U. S. N. M., p. 74, pi. 59, f. 



3, pi. 65, f. 127, '89 ; List Cameron Shells (MS.). 

 Note. — Placed by Johnson in synonymy of Teredo nana 



Turton, (Conch. Insul. Brit., p. 16, pi. 2, f. 6, 7, 1822). 

 Distribution. — Arctic Ocean to Florida. Pleistocene to Recent. 



Gulf coast. — Cedar Keys, Fla. ; Cameron, La. 

 norvegica Spengler, Skriv. Nat. Selsk Kjobenhaven, 2, pt. 1, p. 



102, pi. 2, f. 4-6, 1792 ; Gould, Inv. Mass., p. 29, f. 356, 



1870 ; Dall, Bull. 37, U. S. N. M.. p. 74, pi. 68, f. 2, '89 ; 



Johnson, Occ. Pa. Bost. S. N. H., 7, p. 81, 1915. 

 Distribution. — Northern Europe and New York to Florida. 



Gulf coast. — Manatee, West Fla. 

 thomsoni Tryon, Proc. A. N. S. Phila., p. 280, pi. 2, f. 3-5, 1863; 



Gould, Inv. Mass., p. 31, f. 358, 1870 ; Dall, Bull. 37, U. 



S. N. M., p. 74, pi. 59, f. 4, 1889 ; Johnson, Occ. Pa., 



B. S. N. H., 7, p. 81, 1915. 

 Distribution. — Cape Cod, Mass., southward. Cited by Dr. 



Dall from West Fla. 

 (Lyrodus) chlorotica Gould, Inv. Mass., Binney's ed., p. 33, f. 



360, 1870; Dall, Proc. U. S. N. M., 6, p. 337, 1883; 



Bull. 37, U. S. N. M., p. 74, pi. 68, f. 3> 1889 ; Johnson, 



Occ. Pa., Bost. S. N. H., 7, p. 82, 1915. 



