58 Zoological Society. 



irregularibus, angustioribus et remotioribus reticulata 4 ; anfractibus 

 depresso-rotundatis ; spird semisphcericd, obtusatd, postice incum- 

 bente ; radiatim plicatd ; aperturd subrotundd, dilatatd ; labio vix 

 arcuato, margine in senioribus externe complanato, submedio vix 

 anguloso ; umbilico parvo ; canali angusto, elongato, parum arcuato 

 et angulo angusto cincto. 

 Hab. '' From the island of Masbate, Philippines; found under stones 

 at low water with Narica cidaris." H. Cuming. 



Var. ft. Testd tenuiore, plicis angustis regulariter dispositis, lineis 

 transversis cequidistantibus clathratd, scabriusculd ; umbilico magno, 

 prof undo, spiraliter contorto ; canali latiusculo, pro/undo, falciformi. 



5. Narica Cumingiana. Nar. testd semiglobosd, ventricosd, te- 

 nuiusculd, exalbidd, transversim regulariter sulcatd, longitudina- 

 liter ac oblique lineatd, cancellatd, scabriusculd, ad sectiones gra- 

 nulatd ; spird prominuld, suprbl pland, latere carinatd, sulcis re- 

 ticulatd et punctis valde impressd ; apice posteriori, acuto ; aper- 

 turd dilatatd, semilunari ; umbilico prof undo, coarctato, canali 

 semilunari-oblongo, extus annulo acuto cincto ; labio superne tenui, 

 inferne incrassato ; labro intus submarginato . 



Hab. "From Catbalonga, island of Samar, Philippines ; found iu 

 coarse sand at ten fathoms." H. Cuming. 



6. Narica plicata. Nar. testd ventricoso-ovatd, subglobosd, so- 

 lidd, albd, longitudinaliter grosse plicatd, lineis elevatis crebriori- 

 bus costas decussantibus circumcinctd ; anfractibus superne de- 

 presso-planiusculis ; spird prominuld, laterali, subacutd; aperturd 

 subrotundd ; umbilico latiusculo, profundo, spirali ; canali semilu- 

 nari, crenulis profundis extus cincto ; columelld arcuatd, basi et 

 antice gibbosiusculd. 



Hab. " From the island of Ticao ; found under stones at low water. 

 H. Cuming. 



7. Narica Gueriniana. Nar. testd orbiculato-ovatd, depressd, 

 subconoided, subtus pland, crassd, albido-lutescente, oblique cos- 

 tatd ; costis rotundatis sulcis majoribus, interdum cequalibus, lineis 

 transversis creberrimis eleganter cinctd ; spird semiglobosd, obtu- 

 siusculd; aperturd semilunari, patuld ; umbilico profundo, extus 

 dilatato, in canalem latum, semisphcericum, extus angulatum ex- 

 planato ; columelld rectd, supra lined tenuiter impressd instructd. 



Hab. " From the island of Capul, Philippines ; found under stones 

 at low water." H. Cuming. 



8. Narica distans. Nar. testd parvd, orbiculato-conicd, tenuius- 

 culd, pellucidd, albidd, costis longitudinalibus obliquis, angustis 

 acutis valde remotis, regulariter radiatd, interstitiis sub lente te- 

 nuissime et creberrime striatis ; spird exsertiusculd, gradatd, 

 conico-acutd ; aperturd semirotundd; umbilico dilatato, profundo ; 

 canali largo, semicirculari, intus striato, extus angulo acuto cir- 

 cumdato. 



Hab. " From Jacna, isle of Bohol, Philippines ; found under stones 

 at low water." H. Cuming. 



9. Narica rosea. Nar. testd minimd, semiglobosd, rosed, tenui, 



