76 Mollusc A of the Gulf of Mexico 46 



Genus OLIVELLA Swainson 



mutica Say, Jour. A. N. S. Phila., 2, p. 228, 1822; Hilgard. Rept. 

 Chief Engineers to Sec. War, p. 358, '70, House of Rep., 

 Ex. Doc. I, pt 2, p. 886, '78; Ball, Pr. U. S. N. M., 6, p. 

 324, '83; Bull, 37, U. S. N. M., p. 106, pi. 34, f. I, 2, '89; 

 Tr. W. I. S., p. 45, '90; Vanatta, Pr. A. N. S. Phila., 55, 

 P- 757. 1903; Deussen, U. S. G. vS. Water-Supply Paper, 

 No. 335, p. 77, 19 14. 



Distribution. — North Carolina to Trinidad Isl. Gulf coast: 

 Recent, Cedar Ke3's, St. Mark's and St. Joseph's Ba^^ Fla. ; 

 Galveston and Corpus Christi, Tex. Pleistocene, New Or- 

 leans artesian well of 1856, Lake Borgne borings; Knapp's 

 wells, Terrebonne Parish, No. r at 1600-1700, No. 2 at 1050- 

 1842, No. 3 at 1150-1839 feet; North Creek, Manatee and 

 Labelle, Fla. Pliocene, Caloosahatchie beds, Fla., and Nevr 

 Orleans Gymnasium well at 1200 feet. Miocene. Gilbert 

 well No. lo, Bateson, Tex. at 323 feet. 

 jiusilla Marrat, Thes. Conch., t, 21, f. 356-358, '71; Tryon, Man. 

 Conch., 5, p. 64, pi. 14, f. 45, 46, '83; Vanatta, Pr. A. N. 

 S. Phila., 55, p. 757, '03. 



Distribution. — Cited by Vanatta from St. Joseph's Bay and 

 Crooked Psl., West Fla. 



nivea Gmelin,Linn. Syst. Nat., ed. XIII, p. 3442, 1792; Reeve, 

 Conch. Icon., f. 64 a, '50; Tryon, Man., 5. p. 67, pi. 15, f. 

 74, '83; Dall, Bull. 37, U. S. N. M., p. 106, '89; Dall & 

 Simpson, Bull. U. S. Fish Com., i, p. 393, '01. 



Distribution. — Sarasota, West Fla. to Haiti, 27-805 fms. 



jaspiriea Gmelin, Syst. Nat.,ed. 13, p. 3442, 1792; Reeve, Conch. 

 Icon., 6, p. 22, f. 58,1850; Dall & Simpson, Bull, U, S. Fish 

 Com., I, p. 392, 1901. 



Distribution. — Hatteras to Brazil and West Florida, 27-805 

 fms. 

 floralia Duclos, in Cheuu, 111. Conch., p. 6; Tryon, Man., 5, p. 



