97 



MOUJJSCA OF THE GuivF OF MEXICO 



6.5 



Distribution. — Hatteras to Santa Marta, Brazil, 2-300 fms. 

 Pleistocene to Recent. West Florida. 

 (Laevicardium) serratum Linnaeus, Syst. Nat., ed. X, p. 680, 

 1758; Holmes, Post. -PI. Fos. S. C, p. 25, pi. 5, f. 5, 

 i860; Dall, Bull. 37, U. S. N. M., p. 54, '89 ; Tr. W. I. 

 S., 3, p. mo, 1900; Vanatta, Proc. A. N. S. Phila., 55, 

 P- 757) '03; Vaughan, 2d Ann. Rept. Fla. Surv., p. 149, 

 '09; Maury, Bull. Am. Pal. No. 29, p. 212, pi. 36, f. 8, 

 1917. 



citrinum Wood, Gen. Conch., p. 223, pi. 54, f. 3, 1815. 

 IcBvigatum Lamarck, An. s. Vert., pt. 1, p. 11, 18 19. Not 



of Born, 1780, nor of Linn. 1758. 

 oviputamen Reeve, Conch. Icon., Cardium, pi. 7, f. 36, 



1844- 



pictum Ravenel, Proc. Acad. Nat. Sci. Phila., p. 44, 186 1. 

 Distribution. — Hatteras to Bahia, Brazil, 1-100 fms. Miocene 

 to Recent. Gulf coast. — Recent : Indian Pass, St. Joseph's 

 Bay, Crooked Island, Fla. ; Horn Island, Miss. ; Camer- 

 on, La.; Mustang Island, Tex. Pleistocene: Manatee, 

 Fla. ; New Orleans pumping station No. 7. Pliocene : 

 Caloosahatchie. 



(Laevicardium) mortoni Conrad, Jour. Acad. Nat. Sci. Phila., 6, p. 

 259, pi. 10, f. 5-7, 1830 ; Holmes, Post-Plio. Fos. S. C, p. 

 26, pi. 5, f. 6, '60 ; Dall, Proc. U. S. Nat. Mus., 6, p. 341, 

 '83; Gould, Binney's ed., p. 143, f. 453, '70; Hilgard, 

 House of Rep. Ex. Doc. 1, pt. 2, p. 888, '78 ; Dall, Bull. 

 37, U. S. Nat., p. 54, pi. 58, f. 8, '89 ; Singley, 4th Ann. 

 Rept. Tex., p. 327, '92 ; Dall, Tr. W. I. S., 3, p. 11 11, 

 '00; Mitchell, List Tex. Sh. ; Vanatta, Pr. A. N. S. Phila., 

 55, P- 757> Vaughan, Publ. 133, Cam. Inst., p. 171, 

 '10; Johnson, Occ. Papers, Bost. Soc, N. H., 7, p. 68, 

 1915- 



Distribution. — Nova Scotia to Santa Marta, Brazil, 1 foot to 5 

 fms. Miocene to Recent. Gulf coast. — Cedar Keys, St. 

 Mark's, Ft. Barranca, St. Andrew's Bay, Fla, ; Galves- 

 ton, Corpus Christi, Port Lavaca, Kspiritu Santo Bay, 



