Zoological Society. 139 



obscure zonatd, in/erne albidd, submedio zond pallidd cincld ; 

 spird glaucescente ; aperturd intits fusco-purpurascente. 

 Operculum testaceum, solidum, ad apicem tenuiusculum, lacteum, 

 postice marginem versus fuscum, lavigatum, antice lined angustd 

 circumdatum. Varietates innumerce Naticae maroccanse Chem- 

 nitzii (Nat. marochiensis Lamk. non Menke nee Philippi, quae 

 est Nerita (Natica) glaucina Linne certe) differt, formd, facie, 

 consistentid, umbilico, funiculo et operculo. Rara. 

 Hab. "River Gambia; found on the sands by Mr. Beale of Jer- 

 sey." H. Cuming. 



11. Natica canrena, Lamk. 



Nerita canrena, Linn., Mus. L. U. p. 674. no. 383. Synonymis 

 et variet. exclusis. 



Var. /3. Minor, tenuior, magnitudinis avellance, zonis tribus albis et 

 totidem fuscis pallidis cincta ; zonis albis medio ventris lineis 

 arcuatis spadiceis ornatis, superd maculis spadiceis arcuatis pictd ; 

 suturd fascid angustd luted marginatd, striis radiatis crebris 

 sculptd ; umbilico parvo ; canali pro/undo, arcuato, zond latissimd 

 albd circumdato et maculis spadiceis remotis notatd. 



Hab. " Jacna, isle of Bohol, Philippines ; twelve fathoms, sandy 

 mud." H. Cuming. 



An eadem ut typus Linnei ? 



Var. y. Testd, omninb albd, ad suturam lacteo fasciatd ; labrofra- 

 gili. 



Hab. " Island of St. Vincent, North America." H. Cuming. 



12. Natica pavimentum. Nat. testd ovato-obtusd, subglobosd, par- 

 vuld,exalbidd,lacteo-quadrifasciatd, supremd latd lineis rufis radia- 

 tis, tribus inferioribus angustioribus maculis quadratis rufis seriatis 

 articulatis pictd ; spird convexo-rotundatd, parvd, vix prominenti; 

 aperturd albd, obliqud ; columelld rectd, solidd ; funiculo semi- 

 rotundo, umbilico parvulo omninb occultante. 



Var. /3. Testd fascid medii ventris maculis longitudinaliter oblongo- 

 quadratis remotioribus pictd. 



Testd anfractibus quinis, convexo-depressis, infimo convexiore ; su- 

 turd vix impressd. Operculum ? 



Hab. ** The island of Ticao, Philippines ; found on the reefs." 

 H. Cuming. 



13. Natica Gualteriana. iVatf. testd subovatd, semigloboso-acutd, 

 tenui, subepidermide fuscescente albidd, punctis quadratis spadi- 

 ceis seriatis in medio ventris trifasciatd, superne lineis concolori- 

 bus obsoletisque decurrentibus ornatd ; anfractibus ventricosis, ad 

 suturam longe et crebre striatis, fascid albd circumdatis ; spird 

 conico-acutd ; aperturd dilatatd, basi subproductd et angulosd; 

 umbilico parvo ; funiculo semiovato, suprd oblique piano, umbi- 

 licum et canalem valde occultante. 



Var. /3. Testa minor, f asciis punctorum in medio ventris ultimi duabus. 

 Hab. " Sual, province of Pangasinan, island of Luzon ; found at 

 five to seven fathoms, on sand." H. Cuming. 



