Zoological Society. 5Si 



angustato, basi subrecurvo ; • columelld plicis guinque ; labro intus 

 lirato, margine acuto, antice producto subangulato. 



Hah. ? 



A whitish species with a produced acuminate spire, and the short 

 aperture with the base narrowed ; the outer lip dilated anteriorly. 



36. MiTRA BELLULA, A, Adauis. M. testd oblong o-fusiformi, 

 albd, nitidd, maculis rufis moniliformibus ad suturas ornatd; 

 transversim sulcatd ; anfractibus planis, supremis cancellatis ; 

 aperturd angustd, antice productd, contortd, et recurvd ; columelld 

 plicis quatuor instructd. 



Hab. Isle of Capul, on the reefs, low water. 



A small, transversely grooved, polished species, with a necklace- 

 like row of reddish spots near the sutures. 



37. MiTRA ECHiNATA, A. Adams. M. testd fusiformi-turritd; 

 spird acuminatd, albido-carneold, ad apicem rufescente, ad basin 

 fascid latd transversd rufescenti ornatd; anfractibus planis , longi- 



tudinaliter costatd, costis prominentibus , prope suturas echinato- 

 nodulosis, et inferne subnodosis, interstitiis sulcato-clathratis ; 

 labro intus lirato ; columelld plicis quatuor instructd. 

 Hab. ? 



38. MiTRA sciTULA, A. Adams. M. testd fusiformi-turritd ; 



spird acuminatd, anfractibus planiuscuUs, carneold ; punctis rU' 

 fescentibus sparsim pictd ; longitudinaliter costatd, costis undula- 

 tis, lavibus, subdistantibus : interstitiis valde clathratis ; aperturd 

 antice angustatd, basi siibrecurvd ; columelld plicis quatuor in- 

 structd. 



Hab. China Seas. 



A small, turreted, light-coloured species, with undulating ribs and 

 clathrated interstices. 



39. MiTRA MARMOREA, A. Adams. M. testd fusif ormi-turritd ; 

 spird acuminatd ; anfractibus planiuscuUs ; olivaced, rufo-fuscd 

 marmoratd, longitudinaliter costatd, costis Icevibus, crassis, superne 

 subnodosis; interstitiis transversim exaratis ; columelld plicis 

 quinque ; basi subcontortd et recurvd. 



Hab. Tambay, Isle of Negros, coarse sand, 10 fathoms. 

 Greenish, marbled with fuscous ; ribs flat and broad ; interstices 

 with transverse engraved lines. 



40. MiTRA TURRicuLA, A. Adams. M. testd fusiformi-turritd, 

 albd, cameo sparsim pictd, anfractibus superne angulatis ; longi- 

 tudinaliter costatd, costis crassis, lavibus, distantibus, supra nodosis, 

 interstitiis sulcato-clathratis ; aperturd spiram eequante; columelld 

 plicis quatuor, supremis duabus duplicatis ; basi vix recurvd. 



Hah. ? 



A small, elegant, turreted species, with smooth, thick ribs, and the 

 interstices piuictate-clathrate. 



41. MiTRA PALLIDA, A. Adams. M. testd turrito-fusiformi ; 



