106 



cate with the loss of 5 Avhorla: whorls about 11, a little 

 convex, with a well inipressed suture; last whorl a little 

 smaller than the penult whorl , terminating obtusely : 

 apertuie suborbicular : labrum well excurved, moderately 

 thickened: canal very sliort and wide, nearly straight." 

 Long. sp. 0,,35 poll. ; long. tot. 0,,, poll. ; lat. 



0,0« poll- 



Cerithium pulchellum Ad, Contr. p. 121. 



Cerithium pulchellum Sow. Thes. 1. c. Nr. 138. 



f. 239. 



Hab. Jamaica (Ad.) Guadeloupe (Schramm.) 



Triphoris Desh. 



Sect. i. Mastonia Hinds; tiiho destituta. 



254, Triphoris nigrocinctus C. B. Ad. 



„Sh. small, reddiah black, granulated; whorls 12, 

 reversed; aperture sniall; beak short and recurved." 



• Gould. 



Cerithium nigrocinctum Ad. Boet. Journ. II. p. 

 286. t. 4. f. 11. 



Cerithium nigrocinctum Gould Inv. ed. 1. p. 277. 

 f. 182. 



Triphoris nigrocinctum Stimps. Check List. p. .5. 



Triphoris nigrocinctum Gould ed. 2. p. 323. f. 592. 

 Hab. Dartmouth Harbour clinging to seaweed a few feet 

 below water mark. (Ad.) 



255. Triphoris exiguus C. B. Ad. 

 „Sh. long ovate conic, sinistrorsal : Avaxcolor: with, 

 on the midie whorls, tw^o, and on the lower whorls, 

 three spiral ridges, of which the middle one is more 

 elender, and numerous transverse ridges, the intersections 

 being well developed nodules; anteriorly with three 

 additional smaller less strongly nodulous spiral ridges : 

 apei very acute: spire with the outlines most curviliiiear 

 along the middle, nearly rectihnear above and below; 

 whorls ten, planulate, with the place of the suture dis- 



