10 1 Mollusc A of the Gulf of Mexico 69 



S. N. M., 12, p. 270, pi. 14, f. 8, 12, '89; Ideyn, 26, p. 

 370, 1903. 



Distribution. — Gulf of Mexico, 84 fms., Guadeloupe, 175 

 fms., Barbados, 100 fms. Dredged, S. S. Hassler. 



(Agriopoma) texasiana Dall, Nautilus, 5, No. 12, p. 134, 1892, (as 

 Cytherea); Bull. 37, U. S. N. M., 2d ed., pi. 93, f. i; Proc. 

 U. S. N. M., 24, p. 509, pi. 32, f. I, 1902 ; Vanatta, 

 Proc. A. N. S. Phila., 55, p. 757, "03 ; Dall. Proc. U. S. 

 N. Mus. , 26, p. 370, '03. 

 idonea f (Conrad) Dall, Bull. 37, U. S. N. M., p. 56, 1889. 

 Distribution. — Gulf of Mexico. Recent : Indian Pass, Calhoun 

 Co., Fla. ; Cameron, Point au Fer, Chandeleurs, La.; 

 Galveston, Indianola, Tex. Pleistocene : Grand Chenier, 

 Knapp's wells, Terrebonne Parish, No. 2 at 1542-1632, 

 No. 3 at 570-700. 



(Agriopoma) morrhuana Linsley, Am. Jour. Sci., ist ser., 48, p. 

 276, 1845, {Nonieji midem)\ Gould, Idem, 2d ser., 6, p. 

 233, 1848 ; Dall, Pr. U. S. N. M., 26, p. 370, 1903 ; Tr. 

 W. I. S., p. 1262, pi. 54, f. 14, 1903; Johnson, Occ. 

 Papers, Bost. S. N. H., 7, p. 69, 1915. 

 convexa Conrad, Jour. A. N. S. Phila., 6, p. 261, 1831. (as 

 Cytherea); Gould, Inv. Mass., p. 84, pi. 3, fig. 49, 1841 ; 

 DeKa)^ Nat. Hist. N. Y., Moll., 5, p. 216, pi. 27, f. 279, 

 '43! Reeve, Conch. Icon., 14, pi. 10, f. 40, 1863. Not 

 convexa Say, which is Callocardia say ana Conrad, and 

 known onh' in the fossil state. Not convexa of Brong- 

 niart, 1811 (in Cuvier's, "Ossemensfossiles," 2, pt. 2, pi. 

 8, f. 7), which is a doubtful French species identified by 

 Renevier and Deshayes with Cyre^ia semistriata Deshayes, 

 1831. 

 5«ji7" Perkins, Proc. Bost. Soc. Nat. Hist., 13, p. 147, 1869. 

 Distribution.— Prince Edward's Island to Hatteras, 2-63 fms. 

 Miocene to Recent. Characteristically a cold water species, 

 but cited from the Gulf coa.st at Tampa (Dall, '89). 

 Tarapa .shell perhaps texasiana. 



