58 Zoological Society. 



irregularibus, angustioribus et remotioribus reticulatd ; anfractibus 

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

 bente ; radiatim pUcatd ; aperturd subrotundd, dilatatd ; labia via; 

 arcuato, margine in senioribus exterrie complanato, submedio vix 

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

 et angulo angusto cincto. 

 Hab. " From the island of Masbate, Philipjiines; found under stones 

 at low water with Nurica cidaris." H. Cuming, 



Var. /3. Testd tenuiore, plicis angustis regtdariter dispositis, lineis 

 transversis cequidistantibus clathratd, scabriusculd ; umbilico magna, 

 profunda, spiraliter contorto ; canali latiuscula, profunda, falcifarmi. 



5. Narica Cumingiana. Nar. testd semiglabosd, ventricasd, te- 

 nuiusculd, exalbidd, transversim regulariter sulcatd, langitudina- 

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

 nulatd ; spird praminuld, suprd plana, latere carinatd, sulcis re- 

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

 turd dilatatd, semilunari ; umbilico profunda, coarctato, canali 

 semilunari-oblongo , extus annula acuta cincto ; labio superne tenui, 

 inferne incrassata ; labro intiis submarginato. 



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

 coarse sand at ten fathoms." H. Cuming. 



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

 lidd, albd, longitudinaliter grosse plicata, lineis elevatis crebriari- 

 bus castas decussantibus circumcinctd ; anfractibus superne de- 

 pressa-planiusculis : spird praminuld, laterali, subacutd; aperturd 

 subrotundd ; umbilico latiuscula, profunda, spirali ; canali semilu- 

 nari, crenulis profundis exttis cincto ; columelld arcuatd, basi c" 

 antice gibbosiusculd. 



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

 H. Cuming. 



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

 subconoided, subtiis plana, crassd, albido-lutescente, oblique cos- 

 tatd ; costis rotundatis sulcis majoribus, interdum <equalibus, lineis 

 transversis crebei^rimis eleganter cinctd; spird semiglobasd, obtu- 

 siusculd ; aperturd semilunari, patuld ; umbilico profunda, extus 

 dilatata, in canalem latum, semisphccricum, extus aiigiilutum ex- 

 planata ; columelld rectd, supra lined tenuiter impressd iiistructd. 



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

 at low water." H. Cuming. 



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

 culd, pellucidd, albidd, costis longitudinalibus obliquis, angustis 

 acutis valde rematis, regulariter radiatd, interstitiis siib lente te- 

 nuissime et creberrime striatis ; spird exsertiusculd, gradatd, 

 conico-acutd ; aperturd semirotundd ; umbilico dilatata, profunda ; 

 canali largo, semicirculari, intiis striata, extiis angulo acuta cir- 

 cumdato. 



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

 at low water." H. Cuming. 



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



