76 



MOI.I.USCA OF THE Gui^F 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; Dall, 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. S. Water-Suppl}^ Paper, 

 No. 335, P- 77, 1914- 



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

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

 Galveston and Corpus Christi, Tex. Pleistocene, Nevv^ Or- 

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

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

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

 Labelle, Fla. Pliocene, Caioosahatchie beds, Pla., and New 

 Orleans G^^mnasium well at 1200 feet. Miocene, Gilbert 

 well No. 10, Bateson, Tex. at 323 feet, 

 pusilia Marrat, Thes. Conch., t. 21, f. 356-358, '71; Tr5^on, Man. 

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

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



Distribution.- — Cited b)^ Vanatta from St. Joseph's Bay and 

 Crooked Isl., West Fla. 



nivea Gmelin,Linn. Syst. Nat., ed. XIII, p. 3442, 1792; P^eeve, 

 Conch. Icon., f. 64 a, '50; Tr3^on, 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 P'la. to Haiti, 27-805 fms. 



jaspidea 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. 



floraiia Duclos, in Chenu, 111. Conch., p. 6; Tryon, Man., 5, p. 



