97 MOLLUSCA OF THE GuLF OF MEXICO 



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

 S., 3, p. 1 1 10, 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. 



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



IcBvigahim Ivamarck, An. s. Vert., pt. i, p. 11, 18 19. Not 

 of Born, 1780, nor of Linn. 1758. 



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



1844- 

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

 Distribution. — Hatteras to Bahia, Brazil, i-ioo 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, pl.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. i, pt. 2, p. 888, '78 ; Dall, Bull. 

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

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

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

 hS> P- 757. '03; Vaughan, Publ. 133, Carn. Inst., p. 171, 

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



1915- 

 Distribution. — Nova Scotia to Santa Marta, Brazil, i 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, Espiritu Santo Bay, 



