6 1 BUI.I.KTIN 38 . 91 



beaumontensis Aldrich, Bull. No. i, Univ. Texas, July, 1901; 

 Nautilus, p. 74 and figs., Nov. 1901, (as Nassa). 



Distribution. — Pleistocene. Spindle Top Hill oil well, near 

 Beaumont, Texas, at 390 feet. 



Genus STROiVlBINA Moerch 



gibberufa var. galvestonensis Harris, Bull. Am. Pal,, vol. i, p. 

 103, pi. 4, f. 6, 1895. 



Distribution. — Upper Miocene, Galveston well at 2410-287 1 

 feet. 



Note — The t3^pical form of gibberiila Sowerby, (Pr. Zool, 

 Soc, p. 115, 1832), is recent on the Pacific coast of Central 

 America southward to Paiti, Peru. 



Genus ANACHIS H. and A. Adams 



avara Say, Jour. A. N. S. Phila., 2, p. 230, 1882, (as Columbella)) 

 Tuomey and Holmes, PI. Fos. S. C. p. 139, pi. 28, f. 12, 

 1857; Dall, Bull. 37, U. S. N. M.,p. 116, pi. 50, f. 12, '89; 

 Vanatta, Pr. A. N. S. Phila., 55, p. 757, 1903; Johnson, 

 Occ. Pa. Bost. Soc. N. H., p. 132, 1915. 



Distribution. — Recent and Pleistocene. Massachussetts to 

 Florida Ke5^s. Gulf coast: Crooked Isl., West Fla., and 

 Texas. Pleistocene, Lake Borgne borings, Ua. , and North 

 Creek, West Fla. 



avara var. semiplicata Stearns, Pr. A. N. S. Phila., p. 344, 

 1873, (as Columbella); Tryon, Man., 5, p. 159, pi. 55, f. 70, 

 71, '83; Dall, Bull. 37, U. S. N. M., p. 116, '89. 



Distribution. — Cedar Keys and Charlotte Harbor, West Fla. ; 

 I^ouisiana; Corpus Christi, Texas. 



avara var. sfmilis Ravenel, Pr. A. N. S. Phila., p. 41, 1861, (as 

 Columbella; Tryon, Man., 5, p. 159, pi. 55, f. 69, '83; Dall, 

 Bull. 37, p. 116. '89. 



