MANGELIA, Panama jShelk. 149 



188. mangelia d. 



189. Mang^elia «. 



190. niang^elia /. 



191. Mang^elia neg^lecta. I^ot. sp. 



Shell subfusiform : pale brownish red : Tnth, on each whori, 

 eight or nine prominent curved ribs, and an elevated spiral line 

 OH the middle of the whorls, which becomes obsolete on the 

 last whorl; anteriorly with several spiral striae: apex acute: 

 spire with the outlines moderately convex: whorls seven, 

 rather convex, with a distinct suture : aperture rather narrow, 

 mostly parallel with the axis of the spire : labrum much thick- 

 ened within and without, with a narrow sinus : canal very- 

 short. 



Mean divergence about 40°; length .2 inch; breadth .07 inch; 

 length of spire .11 inch. 



/Station. — Unknown, 



Habitat. — Panama ; 0. B. A. I 



We obtained 2 specimens from the calcareous sand at 

 Panama ; also other 2, of a more slender variety. 



This is one of the many species whose claim to a place in the 

 genus Mangelia wUl not be universally conceded. 



192. JMang^elia sulcosal 



Synonymy, 



? Columhella stilcosa Sowb. in Proc. Zoql. Soc. Load. p. Il8. June 1832. 



? Duel, in Chenu 111. Conch, pi. 21. f. 6. 6. 



} Sowb. Thes. Conch, p. 141. pi. 40. f. 166. 



The color of our specimens is a very deep green between the 

 cream-colored ribs, and brownish towards the apex, which is 

 nearly colorless. The "inM canali distincto" and "internb 



iULT, 185S. 38 Aim. L»o. NAt. His»\ 



