yO MOLLUSCA OF THE GULF OF MEXICO 40 



pi. 3, f . 6, '40. Not of Lamarck. 



plicatiim Kurtz, i860; brunnex Parkins, '69. 



Clathurella jetvetti Stearns, Pr. A. N. S. Phila., fcr 1873, p. 

 346; Dall, Pr. U. S. N. M., 6, p. 329, 1883. 



Distribution. — Massachussetts to Florida Keys and Gulf 

 coast at Cedar Keys, Fla.; Corpus Cliristi Bay, Texas, 0-5 

 fms. Pleistocene, North Creek, Fla. ; Pliocene, Caloosa- 

 hatchie beds, Fla. 



rubelSa Kurtz and Stimpson,Pr. Bost, Soc. N. H., 4, p. 115, '51; 

 Dall, Bull. 37, U. S. N.M., p. 100, '89; Tr. Wagner Inst. 

 Sci., 3, p. 41, '90. 



Distribution. — Cape Lookout, N. C, to Charlotte Harbor, 

 West Fla. Pliocene, Caloosahatchie beds. Pleistocene, 

 Knapp'sNo. 2 well, Terrebonne Parish, La., at 1800 feet. 



stellata Stearns, Pr. Bost. Soc, N. H., 15, p. 22, '72; Dall, Pr. 

 U. S, N. M., 6, p. 328, '83; Tr5^on, Man. 6, p. 246, pi. 34, 

 f. 84, '84; Dall, Bull. 37, p. 100, '89; Tr. W. I. S., 3, p. 

 41, '90. 



Distribution. — Cedar Keys and Tampa to Key West, Fla., 

 Pliocene, Caloosahatchie beds. 



atrostyJa Dall, Bull. 37, U. S. N. M., p. 102, pi. 41, f. 4,4a, 

 1889. 



Distribution. — Hatteras to Barbados. Also West Florida, 

 14-333 fms. 



' imonitella Dall, Pr. U. S. N. M., 6, p. 329, pi. 10, f. 10, 1883; 

 Bull. 37, p, 102, pi. 48, f. 2, '89. 



Distribution. — Cedar Keys to Tampa, Fla., 0-5 fms. Pleis- 

 tocene, Knapp's No. 3 well, Terrebonne Parish, La., at 

 1 1 50- 1 200 feet. Perhaps this species is a dwarfed form of 

 atrostyla Dall. 



cerina Kurtz & Stimpson,Pr. Bost. Soc. ,4, p. \\^,\%^\\{2.sPleuro- 

 tomd); Hilgard, Rept., Chief Engineers to Sec, War., p. 



