145 Moi,LUSCA OF THE GULF OF MEXICO II3 



clavata Lamarck, Au. s. Vert., 5, p. 446, 1818, (as Pholas). 

 Genotype. 



Distribution. — South Carolina to Grenada Isl. Also England, 

 0-12 fms. Often burrowing in driftwood. Pliocene (Trin- 

 idad and Costa Rica, Guppy and Gabb) to Recent. Gulf 

 coast. — West Florida ; Cameron, Chandeleurs, La. ; Gal- 

 veston, Tex. Pleistocene : New Orleans pumping station 

 No. 7 (?) 

 corticaria Sowerby, Thesaurus Conch., 2, p. 495, pi. 108, f. 94- 

 96, 1855, {as Pholas); Trj^on, Mon. Phol., p. 92, 1862; 

 Dall, Bull. 37, U. S. N. M., p. 72, '89; Johnson, Nau- 

 tilus, 18, p. loi, 1904. 



Distribution. — Charlotte Harbor, West Florida, to Guadeloupe. 

 Placed by Johnson in synonymy oi M. striata. Sowerby' s 

 type found in drifted mahoganj^ log. 

 (Diplothyra) caribaea d'Orbigny, In Sagra's Hist. Pol. y Nat. Isla 

 de Cuba, 2, p. 281, f. 20-21, 1845 (vSpanish ed.); French 

 ed., p. 211, pi. 25, f. 20-21, 1853, {as Pho/as); Johnson, 

 Nautilus, 18, p., 102, f. 3, 1904. 

 smithi Tryon, Proc. A. N. S. Phila., p. 450, 1862; Mon. 

 Pholadacea, p. 126, f. 2, 1862 ; Dall, Bull. 37, U. S. N. 

 M., p. 72, 1889 ; Johnson, Nautilus, 18, pp. 102, 103, 

 1904. 



Distribution. — Staten Island, N. Y., to Cuba, boring in shells 

 and limestone. Gulf coast. — Manatee River, West Fla., 

 and Texas. 



Genus TEREDO Linnaeus 

 navalis Linnaeus, Syst. Nat., ed. XII, p. 1267, 1767 ; Forbes 

 and Hanley, Brit. Moll, r, p. 74, pi. i, f. 7, 8, pi. 18, f. 3, 

 4; Tryon, Proc. A. N. S., Phila., p. 468, Sept. 1862; 

 Gould, Inv. Mass., Binney's ed., p. 28, 355, '70; Dall, 

 Bull. 37, U. S. N. M., p. 74, pi. 55. f- 6, pi. 59, f- 2, '89; 

 Singley, 4th Ann. Rept. Texas, p. 331, '92 ; Mitchell, 

 List Texas Shells, p. 17 ; Johnson, Occ. Pa., Bo.st. S. N. 

 H.- 7, p. 81, 1915- 



