ga MOLLUSCA OF THE Gui.F OF MEXICO 62 



Distribution. — Carolinas to West Florida, Galveston and 

 Yucatan. 



avara var. transllrataRavenel, Pr. A. N. S. Phila., p. 42, 1861; 

 Tryon, Man., 5, p. 159, '83; Dall, Bull. 37, p. 116, '89. 



Distribution. — New York to West Florida, Louisiana and 

 Yucatan. 



catenata Sowerby, Pr. Zool. Soc, p. 52, 1844; Conch. Icon., 11, 

 pi. 21, f. 119, 1858; Tryon, Man., 5, p. 179, pi. 58, f. 51, 

 '83; Dall and Simpson, Bull. U. S. Fish Com., i, p. 404, 

 1901. 



Distribution.— Jamaica to Porto Rico. A shell closely re- 

 sembling this species, and probably identical with it, is in 

 our collection. As far as I know, this is the first time that 

 catenata has been found on the Gulf coast. 



Obesa C. B. Adams, Pr. Bost. Soc. N. H., 2, p. 2, 1845, (as 

 Buccinujn); Tryon, Man., 5, p. 169, pi. 57, f. 7 and 20, '83; 

 Dall, Bull. 37, p. 118, '89; Singley, 4th Ann. Rept. Tex. 

 G. S. p. 335, '92; Harris, Bull. Am. Pal., vol. i, p. 102, '95; 

 Vanatta, Pr. A. N. S. Phila., 55, p. 758, 1903. 



ornata Ravenel, cancellata Gaskoin. A. ostreicola Melvell is a 

 dark brown or black variet3^ 



Distribution. — Hatteras to St. Thomas, W. I. and Vera 

 Cruz. Pliocene to Recent. Gulf coast; St. Joseph's Bay, 

 Crooked Isl., W^est Fla.; Point au Fer, Cameron and Chan- 

 deleurs. La.; Galveston and Corpus Christi, Texas. Pleisto- 

 cene, Grand Chenier, Teche No. i well, Jennings, La., at 

 II 58-1 1 99 feet, Knapp's well, Terrebonne Parish, No. i at 

 1050-1800 feet. No. 3 at 1 150-1440 feet, Galveston well at 

 440-446 feet. Pliocene, New Orleans Gymnasium Club well 

 at 1200 feet. 



amphiseila Dall, Bull, M. C. Z., 9, p. 91, 1881; iS, p. 188, pi. 

 19, f. \oc, '89; Bull. 37, U. S. N. M., p. 118, pi. 19, f. lor, 

 '89. 



