BELA. 351 



of an inch, nearly ; breadth, five fortieths of an inch ; divergence, 

 forty-five degrees. 



Found in mud from New Bedford Harbor, by Professor C. B. 

 Adams. Bunka {Willis). 



This species is of about the same size and shape as Bela decus- 

 sata, but is distinguished by the much more conspicuous folds, which 

 run the entire length of the whorl ; and the revolving lines also are 

 much more distinct, and fewer in number. The canal is very short. 



Oenus BELA, Leach. 1847. 



Shell ovate, fusiform ; surface dull, smooth, or longitudinally 

 ribbed ; spire elevated, shorter than the body whorl ; columella flat- 

 tened ; canal short ; outer lip with a small sinus at its junction 

 with the body whorl. 



Bela turricula. 



Fig. 193. , 



Shell white, thin, whorls very conspicuously angulated and turreted, with 

 twelve or fourteen prominent ribs, and numerous distinct, revolving lines. 



Murex turricula, Montagu, Test. Brit. 202, pi. 9, fig. L — Turton, Conch. Diet. 93.— 

 DiLLWYN, Catal. 744. — Maton and Rackett, Lin. Trans, viii. 144; Dorset 

 Catal. pi. 14, fig. 15. — Wood, Index, pi. 27, fig. 133. 



Fusus tu7-riculus, Bkown, Coneh. of Great Brit. pi. 48, figs. 51, 52. 



Fusus turricula, Fleming, Brit. Anim. 349. — Gould, Inv. 1st cd. 292, fig. 193. 



Murex anyulatus, Donovan, Brit. Sliells, v. 156. 



Bela turricula, Stimpson, Check Lists, 5. 



Shell thin, pure white, sometimes yellowish or brownish-white ; 

 with seven or eight whorls, rising nearly perpendicularly 

 from each other to an acute apex, and having an abrupt, '^' 

 broad, nearly flat slope at their summits ; surface with 

 twelve or fourteen somewhat oblique, rather compressed 

 ribs, which vanish liefore attaining the front, traversed ]iy 

 numerous distinct, elevated lines, of which one at the angle 

 of the whorls is most prominent, these obsolete at the edge 

 of the ribs ; beak short, open, and nearly sharp, or thickened 

 by a rib ; inner lip smooth, slightly arched. Length, two thirds of 

 an inch ; breadth, one fourth of an inch ; divergence, forty-two de- 

 grees. 



Found in considerable numbers, and in a very fresh state, in the 



