50 Zoological Society. 



This species partakes somewhat of the character of M. sacerdo- 

 talis. 



9. MiTRA LiUCTUOSA, A. Adams, M. testd ohlongo-fusiformi, 



obscuro-fuscd, fascid unicd pallidd transversd ornatd ; spird 

 acutd, anfractibus planulatis, transversim liratd ; interstitiis 

 valde clathrato-punctatis ; aperturd oblongo-ovatd ; spird bre- 

 viori ; labio crassiusculo ; columelld plicis quatuor salientibus . 



Hah. China Seas. 



This species was obtained during the voyage of H.M.S. Samarang. 



10. MiTRA iNSCTJLPTA, A. Adams, M. testd ovato-fusiformi ; 

 spird hrevi, acutd; aperturd breviori ; anfractibus planulatis, 

 pallide fused, maculis rufis, longitudinalibus , variegatd ; cingillis 

 integris, acutis, prominentibus, eequidistantibus ; liris intermediis 

 submoniliformibus ; interstitiis longitudinaliter valdl sulcatis ; 

 aperturd elongatd ; columelld plicis tribus ; labro acuto margine 

 crenulato. 



Hah. Ceylon (Dr. Gardner^. 



This species also belongs to the same group as M, cingulata. 



11. MiTRA EXARATA, A. Adams, M. testd ovato-fusiformi ; spird 

 aperturam eequante ; anfractibus subrotundis ; suturd subcanalicu- 

 latd, olivaced, fasciis duabus pallidis transversis, longitudinaliter 

 costatd ; costellis tequalibus, subdistantibus ; interstitiis lineis in- 

 sculptis, profundis, transversis ; columelld plicis tribus, validis, 

 instructd. 



Hah. Bais, island of Negros, coarse sand, 7 fathoms. 

 The most characteristic feature of this species is the sculpture be- 

 tween the ribs, consisting of deep, engraved, transverse hues. 



12. MiTRA RUFOCiNCTA, A. Adams. M . testd ovato-fusiformi ; 

 spird aperturam eequante; anfractibus rotundis, sordide albd, 

 fascid transversd lata ruf o -fused ; longitudinaliter costatd, cos- 

 tis obtusis, rotundis, distantibus ; interstitiis lineis impressis 

 transversis ; aperturd snbdilatatd ; columelld jAicis quatuor in- 

 structd ; labro tenui antice dilatato. 



Hah. ? 



A small, slightly -worn specimen serves for this description, but it 

 is of pecuhar form and sculpture. 



13. MiTRA ^fITIDA, A. Adams. M. testd ovato-fusiformi ; spird 

 aperturd breviori; anfractibus subrotundis, lavi, nitidd, badid, 

 anfractu ultimo antice et postice sulcis nonnullis transversis in- 

 structo ; aperturd oblongd, antice subdilatatd ; columelld plicis 

 quatuor; labro simplici. 



Hah. ? 



A small, brown, shining species, with only a few transverse spiral 

 lines for sculpture. 



14. MiTRA COMPTA, A. Adams. M. testd ovato-fusiformi ; spird 

 aperturd longiore ; anfractibus subrotundis, superne angulatis. 



