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. Banks (^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. 



Ocmis 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. 262, pi. 9, fig. 1. — Tdrton, 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. 



Fusiis tiirrlciilus, Bkown, Conch, of Great Brit. pi. 48, figs. 51, 52. 



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



Murer anyiilatus, Donovan, Brit. Shells, v. 156. 



Bela turricula, Stimpson, Cheek 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 before attaining the front, traversed by 

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

 of the whorls is most prominent, these obsolete at the edge ^JJ^'' 

 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 



