99 MOLLUSCA OF THE GULF OF MEXICO 67 



Knapp's wells, Terrebonne Parish, No. i (?), 1600- 1700 

 feet, No. 2,1519-1542, No. 3 at 570-700, 8S0-900, 1330-1375, 

 1400-1440, 1700-1712 feet. 

 elegans Conrad, Proc. A. N. S. Phila., i, p. 325, 1843, (as ^r- 

 temis)\ Fos. Medial Tert., p. 67, pi. 38, f. i, 1845 ; Am. 

 Jour. Sci., 2d Ser., II, p. 393, 1846 ; Dall, Tr. W. I. S. 3, 

 p. 1231, 1903; Vaughan, Publ. 133, Carn. Inst., p. 171, 1910. 

 concejitrica Reeve, Conch. Icon. 6, pi. 2, f. i, 1850 ; Tuomey 

 and Holmes, Plio. Fos. S. C, p. 82, pi. 21, fig. 7, '55. 

 l^oX. concentrica YiOxn, 1780. 

 trayisversa^vaxcLons, 1858; intermedia Q.ovlX'aA, \Z(32,. 

 Distribution. — Hatteras toYucatan. Miocene to Recent. Gulf 

 coast. — Tampa, Fla. (Conrad's locality); Texas. Pleis- 

 tocene : Osprey and Labelle, Fla. Pliocene : Caloosa- 

 hatchie and Shell Creek. 



Genus TRANSEMMELLA Dall 

 conradina Dall, Proc. U. S. N. M., 6, p. 340, '83 ; Idem, 24, p. 

 509, pi. 31, f. 5, 7, 1902 ; Vanatta, Proc. A. N. S. Phila., 

 P- 757 > 'o."^. (as Meretrix); Dall, Tr. W. I. S., 3, pp. 

 1240, 1616, '03. 

 Distribution. — Hatteras to Key West, 0.31 fms. Pleistocene 

 to Recent. Gulf coast. — Cedar Kej'-s, (tj^pe locality), St. 

 St. Joseph's and St. Andrew's Bays, Crooked Island, St. 

 Mark's, W. Fla. Pleistocene : Osprey, Fla. 

 Genus GAFRARIUfV! Bolten 

 (Gouldia) cerina C. B. Adams, Proc. Bost. Soc, N. H., p. 9. 

 1845, (as Thetis); Cat. Jamaican Sh., p. 29, '47 ; Dall, B. 

 M. C. Z. 9, p. 130, '81 ; Idem, 12, p. 263, pi. 7, f. 4 a-b, 

 '86 ; Bull. 37, p. 48, pi. 7, f. 4 ^-b, '89 ; Proc. U. S. N. M., 

 26, p. 369, 1903. 

 Distribution. — Hatteras to Brazil, 0-229 fms. Gulf coast. — 

 Charlotte Harbor, Fla., 13 fms. 



Genus WIACROCALLISTA Meek 

 nimbosa Solander, Portland Cat., p. 175, 1786, (as Ve^ius); Whit- 

 field and Plovey, Bull. Am. Mus. Nat. Hist., 11, p. 462, 



