MANGELIA. Panama Shells. 149 



188. Ulaiigelia d. 



189. Ulangelia - . 



190. iVIaiigclia /. 



191. Maiigelia iieglecta* Nov. sp. 



Shell subfusiform : pale brownish red : with, on each whorl, 

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

 on 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 ; C. 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 will not be universally conceded. 



192. IHangelia sulcosa? 



Synonymy. 



? Columbella sulcosa Sowb. in Proc. Zool. Soc. Load. p. 118. June 1832. 



? Duel, in Chenu 111. Conch, pi. 21. f. 5. 6. 



! Sowb. Thes. Conch, p. 141. pi. 40. f. 165. 



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 "interne 



