NERITA, 



Species 70. (Mus. Cuming.) 



Nerit.\ BiiLLULA. Ner. testa, ovatd, spird obtiisd, vtj- 

 exsertd, anfmctibns suhangttstU, lavibus vel spiraUter 

 striafis, columella excmato-pland, subnngiistd, tcnnis- 

 sime obsolete dentieulatd ; carbonario-nigrd. 



The bubble Nekite. Shell ovate, spire obtuse, scarcely 

 exserted, whorls rather narrow, smooth or spirally 

 striated, columella excavately flattened, rather nar- 

 row, finely obsoletely toothed ; coal-black. 



Hah. ? 



.\ small .shining black species, with the whorls rather 



nan'ow, and the spire slightly slantingly exserted. 



Species 77. (Fig- ", 4, Mns. Cuming.) 



Nekita genuana. Ner. testa orbiculari-ovatd, icpres- 

 siusciiJu, spird impresso-pland, anfractiius subangustis, 

 versus aperturam lat'wribus, spiraliter temdliratis, 

 labro iiitus fortiter crenato, columelld declim-excavatu, 

 profuse grawulatd, edentulatd; intense nigra, soiiis 

 duabits latis luleis atd roseis ciugulatd. 



The gartered Nerite. Shell orbicidarly ovate, rather 

 depressed, spire impressly flattened, whorls rather 

 narrow, broader towards the aperture, spirally finely 

 ridged, lip strongly crenated within, columella slant- 

 ingly excavated, profusely granuled, edentulatc ; in- 

 tense black, encircled with broad reddish or yellow 

 bands. 



Ilah. ? 



A jet-black species, encircled below and around the 



suture with a very characteristic broad yellow or rose 



liand. 



Species 7S. (Fig. a, b, iMus. Cuming.) 



Nerita aknulata. Ner. testa suborbicidari, depressiiis- 

 ciild, crassd, spird leviter exsertd, mncronatd, anfrac- 

 tibus superiie depressis, deinde obsolete aiigulatis, con- 

 vexis, spirdlilur annul ato-costatis, aperturd expansd, 

 labro effum, in/us crciiiilato, columelld superne obscure 

 corngatd, snbdeatatd ; nigra, punctis paucis luteis 

 variegatd, inferne fasciis duaJms albis latis cinctd. 



The ringed Nebite. Shell somewhat orbicular, rather 

 depressed, thick, spire slightly exserted, pointed. 



whorls depressed at the upper part, then obsoletely 

 angled, convex, spirally annulately ribbed, aperture 

 expanded, lip effused, crenulated within, columella 

 obscurely wrinkled at the upper part, faintly toothed ; 

 black, variegated with a few yellow dots, encircled 

 round the upper part with two broad white bands. 

 TTab. •? 



A soliil orbicularly expanded shell, encircled throughout 

 with ring-like ribs. 



Species 79. (Fig. a, b, Mus. Cuming.) 



Nerita granolata. Ner. testd depresso-globosd, solidi- 

 uscnhl, spird plam-impressd, anfractibus spiraliter li- 

 ratis, aperturd expansd, labro intus crenato, columelld 

 ■profuse grauiilatd; caruleo-nigrd, columelld pallidis- 

 sime anruntio-tinctd. 



The granulated Nekite. Shell depressly globose, 

 rather solid, spire flatly impressed, whorls spirally 

 ridged, aperture expanded, lip crenulated within, co- 

 lumella profusely grandated; blue-black, columella 

 fiiintly tinged with orange. 



IM. ? 



An orbicularly solid blue-black shell, distinguished in 



having the columellar area more than usually grauidated. 



Species 80. (Fig. a, b, Mus. Cuming.) 



Nerita Helicinoides. Ner. testd omto-turbinatd, spird 

 siibainpld, exsertd, anfractibus juxta spiram depres- 

 sinsculis, rotundatis, subangustis, versus aperturam 

 contractis, spiraliter tenuicostatis, aperturd parvd, 

 labro (ffuso, columelld declivi, obscure dentieulatd; lu- 

 tescenle, waculis nigris et roseis alternatim fasciatd. 



The Helicina-like Nerite. Shell ovately turbinated, 

 spire rather large, exserted, whorls somewhat de- 

 pressed next the spire, rounded, rather narrow, con- 

 tracted, spirally finely ribbed towards the aperture, 

 aperture small, lip ett'used, columella slanting, ob- 

 scurely toothed ; yellowish, encircled with alternate 

 bands of black and red spots. 



llah. ? 



Of a peculiar contracted ovately turbinated form, be- 



'■einracd with alternate bands of black spots and rose 



August, 185 



