13B 



22. MiTRA NODiLiRATA, A. Adams. M. testd oblongo-fusiformi, 

 pallide fulvd, fascid latd rufd transversd ornatd ; spird acumi- 

 natd, turritd ; anfractibus octo planis, infra suturas angulatis ; 

 nitidd, longitudinaliter plicatd ; plicis distantibus, prominenti- 

 bus, obliquis, prope suturas valde nodulosis ; interstitiis lineis im- 

 pressis transversis ornatis ; columelld plicis quatuor ; labro acuta. 



Hab. ? 



An elegant form, with the pliciform ribs strongly nodulose at their 

 hind part. 



23. MiTRA PURA, A. Adams. M. testd fusiformi ; spird aper- 

 turd longiori ; anfractibus subplanulatis ; albd ; cingulis trans- 

 versis angustis, subelevatis, crenulatis, rufo subarticulatis ; liris 

 tribus intermediis ; interstitiis valde punctatis, ornatd ; aperturd 

 oblongd, antice dilatatd ; columelld plicis quinque ; labro intus 

 sulcato, margine crenato. 



Hab. ? 



An elegantly formed species, with the last whorl somewhat recurved. 



24. MiTRA ciNGULATA, A. Adams. M. testd ov at o -fusiformi ; 

 spird acutd, aperturam aquante ; anfractibus planulatis ; sordidc 

 albd; cingiUis prominentibus subcrenulatis, acutis, transversis ; 

 interstitiis longitudinaliter valde clathratis, ornatd; anfractu ul- 

 timo antice producto et recurvato ; columelld plicis tribus. 



Hab. ? 



This species belongs to that group in which the whorls are encir- 

 cled with transverse ridges. 



25. MiTRA RETICULATA, A. Adams. M. testd ovato-fusiformi ; 

 spird aperturd breviori ; anfractibus subrotundis ; albd ; cingulis 

 transversis, cequidistantibus, acutis, crenulatis, sulcis obliquis 

 longitudinalibus decussatis, ornatd; columelld plicis quatuor ; la- 

 bro intus sulcato. 



Hab. Port Essington, 7 fathoms, sandy mud (Jukes). 

 Remarkable for the acute, crenated, transverse ridges which give 

 the surface a reticulated appearance. 



26. MiTRA ASPERULATA, A. Adams. M. testd oblongo-fusiformi, 

 pallide rufo-fuscd, ad suturas albidd, longitudinaliter sulcatd, 

 transversim liratd, liris nodulis, subacutis, asperulatis ; spird pro- 

 ductd ; aifractibus sex, subrotundis ; aperturd spir<E dimidium 

 cequante, antice abrupte truncatd ; columelld plicis tribus; labro 

 acuto. 



Hab. Australia. 



The transverse ridges are set with subacute nodules, which give a 

 rough appearance to the surface. 



27. MiTRA MiRABiLis, A. Adams. M. testd fusiformi; spird 

 acuminata, aperturd longiori; anfractibus novem, planulatis, su- 

 perne angulatis; albd, maculis rufis triangularibus, etpunctis trans- 

 verso-elongatis, rufescentibus, ornatd ; longitudinaliter plicatd, 



1 



