Zoological Society. 57 



in the thatch ; one was taken alive, and after having it several days 

 in my possession it by some means made its escape. It appears to 

 be rare, although, from its having a native name, it might be imagined 

 to the contrary ; I frequently offered a reward to the natives to in- 

 duce them to obtain another specimen, but never was able to pro- 

 cure one." 



Nov. 28. — William Yarrell, Esq., Vice-President, in the Chair. 

 The following papers were read : — 



" Descriptions of new species of the genus Narica, discovered by 

 Hugh Cuming, Esq.," by M. Recluz. 



Genre Narica, Recluz. 

 Nerita species, Chemnitz ; Sigaretus species, Lamarck ; genre Va- 

 nicoro, Quoy et Gaimard olim ; Narica, Recluz, in litteris ; D'Orbigny 

 (Alcide), Moll. Cuba ; Merria, Gray in Beechey's Voyage. 



1. Narica cidaris. Nar. testd orbiculato-ovatd, ventricosd, antice 

 dilatatd, superne depresso-pland, solidiusculd, lacted, plicis longi- 

 tudinalibus antice laxioribus, subregularibus , lineis elevatis trans- 

 versis eequidistantibus reticulatd, scabriusculd ; spird prominuld, 

 semisphcericd, apice retusd ; aperturd subrotundd, patuld ; labio 

 arcuato ; umbilico parvo, pro/undo ; canali oblongo, angusto et vix 

 arcuato. 



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

 stones at low water." H. Cuming. 



2. Narica ligata. Nar. testd ventricoso-ovatd, tenuiusculd, albd, 

 longitudinaliter superneque tenuiter plicatd, lineis transversis ele- 

 vatis intermediis minoribus ligatd ; spird prominenti, rotundatd, 

 radiatim plicatd, apice obtusiusculd ; aperturd subrotundd, parvd ; 

 umbilico pervio, spirali, pro/undo, latiusculo ; canali brevi, largo ; 

 columelld subrectd, medio ad basim arcuatim rotundato. 



Hab. " From Catanuam, province of Tayabas, isle of Luzon ; found 

 under stones at low water." H. Cuming. 



3. Narica Deshayesiana. Nar. testd ventricoso-globosd, tenui, 

 fragili, subepidermide lutescente tenuissimd exalbidd sive albd, Ice- 



viter ac creberrime transversim striatd ; anfractibus subsenis, su- 

 perrie rotundatis, longitudinaliter argute plicatis : plicis in ultimo 

 postice validis, remotiusculis, anticam partem versus evanescentibus ; 

 spird semirotundd, angusfe plicatd, subacutd ; aperturd subsemi- 

 lunari ; umbilico magno, patulo ; canali semilunari ad sinistram et 

 interne carinato, exterrie radiatim profunde ac eleganter plicato ; 

 columelld intus et ad basim sinuatd. 

 Var. /3. Testd ventricoso-ovatd, subglobosd, plicis obsoletis ; infimo 



anfractu angustiore. 

 Hab. " From St. Nicholas, island of Zebu, Philippines ; found 

 under stones at low water : and var. /3 from Catanauan, province of 

 Tayabas, isle of Luzon ; found under stones at low water." H. Cuming. 



4. Narica Petitiana. Nar. testd orbiculato-ovatd seu semiglobosd, 

 crassd, albidd, oblique et crebre plicatd, lineis elevatis transversis, 



