18/8.] MR. G. B. SOWERBY, JUN., ON NEW SHELLS. 797 



culatis ; spira elata, conica, gradata ; anfractibus 1 1 , Icevibus, 

 leviter coronatis ; apice acuto, fusco; apertura angusta, fusco 

 tincta. 



Long. 31, maj. lat. 14 mill. ; spira alt. 10 mill. 



A very neatly marked Cone, allied to C. mahogani, C. ximines, 

 and C. tornatus, but perfectly distinct, both in form and markings. 



Hub. Panama 1 (ex coll. Sir E. Belcher). 



Mitra berth.e, n. sp. (Plate XLVIII. fig. 1 1.) 



M. testa angulato-fusiformi, solidiuscula, cinerea, longitudinaliter 

 striata et valide plicata, transversim leviter sulcata, antice at- 

 tenuata, recurva, transversim valide costata ; spira acuminato- 

 lurrita ; anfractibus 1 0, superne angulatis, ad unguium bicarina- 

 tis, supra unguium concavis, in medio balteolis nigris duobus cin- 

 gulatis, linea unica fusca superne circumcinctis ; apice nigro- 

 fusco ; apertura elongata, intus fusco cincta ; columella quadri- 

 plicata, plicis duplicatis ; labio externo leviter sinuato, Icevi, 

 crassiusculo. 

 Long. 32, maj. lat. 13 mill., spira alt. 13 mill. 

 Hub. China Sea (Sir E. Belcher). 



Several specimens of this pretty shell were found in the above 

 collection, and seem to have been hitherto unnoticed, although the 

 species is very distinct and easily distinguishable from its con- 

 geners. 



Mitra fulvolirata, n. sp. (Plate XLVIII. figs. 9, 10.) 



M. testa fusiformi, solidiuscula, cinerea, fusco -pur pureo late fas- 

 ciata, fulvo tincta, utrinque fuscata, antice contractu, leviter 

 recurva; spira acuminato-turrita ; anfractibus 10, convexiuscu- 

 lis, superne obtuse angulatis, transversim leviter sulcatis, longi- 

 tudinaliter costatis, costis subangulatis, obtusis,fulvescentibus; 

 apertura elongata, fauce Icevi, fusco-purpurea ; columella quadri- 

 plicata, plicis obtusis, quadratis ; labio externo simplici. 



Long. 27, maj. lat. 9 mill., spira alt. 12 mill. 



Hab. China Sea (Sir E. Belclier): 



Several specimens presenting scarcely any variation were found 

 in the above collection. Although a species of no very striking cha- 

 racter, I cannot identify it with any hitherto described. 



Mitra acuta, n. sp. (Plate XLVIII. figs. 7, 8.) 



M. testa angulato-fusiformi, albida, interdum pur pureo tincta, fusco 

 punctata, castaneo unifasciata, vel flammulata; spira acutissima ; 

 anfractibus 10, transversim carinatis ; carinis numerosis, eleva- 

 tis, acutissimis ; interstitiis concavis, interdum Icevibus, plerum- 

 que cancellatis ; apertura subangusta, intus alba, Icevi ; columella 

 quinqueplicata, plicis acutis ; labio externo vise arcuato, crenulato. 



Long. 20-23, maj. lat. 8-9 mill. 



Hab. China Sea (Sir E. Belcher). 



A number of specimens of this species were found in the above 

 collection. They vary considerably in sculpture, some being smooth 



