4 MfjLi.i;.scA or the GuiJ' of Mexico 34 



CLASS SCAPHOPODA 



ORDiCR SOLENOCOXCHA 



Genus DEIMTALIUM Linnaeus 



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

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

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

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

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

 f- 73. ^'^^97. Hender.son, 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 Missis.sippi delta, 60-68 fms. 



texasianum 1 hilippi, Zeit.schr. Malak, p. 144, 1848; Pilsbry & 

 Sharj), 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. 



scxangularc Hilgard, House of Rep. Ex. Doc. i, pt. 2, pp. 

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



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

 Dall, Eist Cameron Sh. Not the tm^ gouldii ol Dall. 

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

 1843. Closely related to gouldii Dall, with which it has 

 been confused. 



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

 Point au Fer and Cameron, La.; Galveston, Corpus Chri.sti 

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

 ings. La. 

 texasianum 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, in, U. S. N. M. pp. 16, 31, pi. 3, 

 f. 2, 1920. 



