4 MOLLUSCA OF THE Gui,F OF MEXICO 34 



CLASS SCAPHOPODA 



ORDER SOLENOCONCHA 



Genus DENTALS UiVl Einnsius 



laqueatum Verrill, Trans, Conn., Acad, Arts Sci., vol. 6. pt. 2, 

 p. 431, pi. 44, f. 18, 1885; Dall, Bull. Mus. Comp. Zool., 

 18, pt. 2, p. 426, pi. 27, f. r, 1889; Bull, 37, U. S. Nat. 

 Mus., p. 76, pi. 27, f. i; pi. 46, f. 18, 1889; Pilsbry and 

 Sharp, Tryon's Man. Conch., 17, p. 10, pi. 7, f. i, 2; pi. 5- 

 f. 73, 1897, Henderson, Bull. 11 1, U. S. Nat. Mus., p. 23, 

 pi. I, f. 6, 7, 1920. 



Distribution — Hatteras to Barbados, Gulf of Mexico: West 

 Florida and off the Mississippi delta, 60-68 fms. 



texasianiim Philippi, Zeitschr. Malak, p. 144, 1848; Pilsbry & 

 Sharp, Tryon's Man. Conch., 17, p. 22, 1897; Henderson, 

 Bull. Ill, U. S. N. M., p. 28, pi. I, f. 2, 4, 5, 9, 1920. 



sexangulai'e Hilgard, House of Rep. Ex. Doc. i, pt. 2, pp. 

 887, 888, pi. 3, f. 7, 1878. Not of Eamarck. 



gouldii Singley, 4th Ann. Rept. Texas Surv., p. 331, 1892; 

 Dall, List Cameron Sh. Not the \x\x^ gouldii oi Dall. 

 Note. — This may be identical with Chenu's D. aviericanum 

 1843. Closel}^ related to gouldii Dall, with which it has 

 been confused. 



Distribution. — N.Carolina to Yucatan, 3-9 fms. Gulf coast: 

 Point au Fer and Cameron, Pa.; Galveston, Corpus Christi 

 and Pass Cabello, Tex. Pleistocene, Eake Borgne bor- 

 ings, La. 

 texasianym cestum Henderson, Bull, iii, U. S. N. M., p. 29, 

 pi. 2, f. I, 4, 8, 1920. 



Distribution. — Pass Cabello, Texas. Probably in very 

 shallow water. 



rebeccaensis Henderson, Bull, iii, U. S. N. M. pp. 16, 31, pi. 3, 

 f. 2, 1920. 



