138 



MOLLUvSCA OF THE GULF OF MEXICO 



1 08 



Genus ALA8A A. Adams 



tervaricosa C. B. Adams, Pr. Bost. Soc, N. H., 2, p. 6, 1845, 

 Rissoa); Moerch, Malak, Biatt., 23, p. 57, 1876; Dall, 

 Bull. U. S. N. Al., p. 146, '89; Dall and Simpson, Bull. U. 

 S. Fish Com., i, p. 431, 1901. 



Distribution. — Tampa, West Fla., to Haiti. 



Genus AHCHITECTOI^ 8 CA Bolten 



granulata Lamarck, Anim. s. Vert., 7, p. 3, 1822; Ency. Me'tli., 

 pi. 4,46, f. 5a-b, 1792, (as Solariu?ii) \ Dall, Tr. W.I.S., 3, p. 

 329, 1892; Pr. U. S. N. M., 37, p. 232, 1910; Maur}^ Bull. 

 Amer. Pal., No. 29, p. 131, pi. 23, f. 3, 1917. 



perspediva Tuomey and Holmes, PI. Foss. S. Car., p. 120, pi. 

 26, 1857. ^ot of Linnaeus nor Lamarck. 



Distribution. — Hatteras to the Antilles. Gulf coast at 

 Chandeleurs, La., Matagorda and other localities, Tex. 

 Also Pacific Ocean, Lower California to Peru. Pleistocene, 

 New Orleans pumping station No. 7; Upper Miocene, Gal- 

 veston well at 2158-287 1 feet. Lower Miocene, Chipola 

 marl, West Fla., and Dominican Republic. 



Genus TOR I I A Gray 



cylsndrsca Gmelin, Sj^st.Nat., p. 3572, 1792, (as TrocJms)\'X:xyo\\, 

 Man., 9. p. 17, pi. 5, f. 82, 1887; Dall, Bull. 37, U. S. N. 

 M., p. 148, '89; Dall and Sampson, Bull. U. S. Fish Com., 

 I, p. 432,1901. 



Distribution.— Texas to St. Thomas, W. I. 



canalifera C. B.Adams. Dall, Bull. 37, U. S. N. M., p. 148, 

 1889. 



Distribution. — Texas to Guadeloupe. 



Genus RISSOA Fre'minville 



precipitata Dall, Bull. M. C. Z., 18, p. 279, pi. 19, f. i, 1889; 

 Bull. 37, U. S. N. M., p. 148, pi. 19, i. I, '89. 



