NERITA. 



Plate XVII. 



Species 70. (Mus. Cuming.) 



Neeita electrina. Ner. fedd suborhicidari, (Jt']iremi!, 

 spird siibexsertd, uucronaid, anfracfibiin coiiccxis, deiiii: 

 spiraliter liratis, interstitvis obsolete pvnduratis, colu- 

 melld temie clenticnlatd ; lutesceHte-aurmitia, imma- 

 culatd. 



The amber Nekite. Shell suborbicular, depressed, spire 

 slightly exserted, pointed, whorls couvex, densely 

 spirally ridged, interstices obsoletely punctured, co- 

 lumella finely toothed ; yellowish-orange, unspotted. 



Hab. Isle of Panay, Philippines ; Cuming. 



A delicate clear orange-yellow shell, closely spirally 



ridged throughout, the interstices between the ridges 



being obsoletely punctured. 



Species 71. (Pig. a, b, Mus. Cuming.) 



Nerita Dombeyi. Ner. testa suborbieulari, spird obfnsii 

 planatd, arifractibus angustis, deinde laiioribns, dense 

 spiraliter liratis, liris Unearibus, valde irregnlarihus, 

 apertitrd effusd, colmnelld concavo-excavatd, medio 

 grannlatd, edentidatd ; ccerulescenfe-plmnbed. 



Dombey's Nerite. Shell somewhat orbicular, spire ob- 

 tusely flattened, whorls narrow, then broader, densely 

 spirally ridged, ridges linear, very in-egular, aperture 

 effused, columella concavely excavated, granulated in 

 the middle, edentulate ; bluish lead-colour. 



Kecluz, Eevue Zool. Soc. Cuvierieune, 1841, p. 1 1'J. 



Hab. Bombay. 



A dull slate-coloured species, witli a rather broad ef- 

 fused aperture, having the columellar area gently excavated 

 and granulated in the middle. 



Species 72. (Fig. a, b, Mus. Cuming.) 



Nerita co>rMA-NOTATA. Ner. testa ovatd, spird obtuse 

 exsertd, aiij'ractibns subaiigustis, superiie declicibi/s, 

 spiraliter dense liratis et sidcatis, colnmelld lievigatd, 

 leviter denticulatd ; Cferuleo-nigrd, punctis albis coin- 

 maformibus aspersd. 



The comma-marked Nerite. Shell ovate, spire ob- 

 tusely exserted, whorls rather narrow, slanting at the 

 upper part, spirally closely ridged and grooved, colu- 

 mella smooth, slightly toothed ; blue-black, spriukled 

 witli white comma-shaped marks. 



Hab. ? 



An extremely characteristic species, of dark bkie-black 

 colour, sprinkled throughout with opake-white comma- 

 shaped dots. 



Species 73. (Fig. a, b, Mus. Cuming.) 

 Nerita Spexgleriana. Ner. testa orbicidari-ovutd, 

 crassiiiscidd, spird siibexsertd, mticronatd, anfractibns 

 cotirexis, spiraliter obsolete liratis, decitssatim striatis, 

 aperiv.rd efj'usd, colmnelld callosd, edentidatd ; liites- 

 cente-albd, nigro ititerrupte fasciatd. 

 Spexgler's Nerite. Shell orbicularly ovate, rather 

 thick, spire slightly exserted, pointed, whorls convex, 

 spirally obsoletely ridged, decussately striated, aper- 

 ture effused, columella callous, edentulate ; yellowish- 

 white, interruptedly banded with black. 

 Recluz, Pro. Zool. Soc. 1843, p. 301. 

 Hab. Isle of Panay, Philippines (under stones at low 

 water); Cuming. 

 Nearly smooth, with a callous effused eiientulate aper- 

 ture, stained in a very interrupted manner with a smeary 

 black band. 



Species 74. (Fig. a, b, Mus. Cuming.) 



Nerit.a Georgina. Ner. iestd ovatd, depressiusmdd, spird 

 plimo-iiiipressd, pand, miicronatd, avfractibus suban- 

 giistis, .Hpiralilcr coxlnlix, co.sl/s tenidbus, subdistanti- 

 biis, iiiter.di/ii'< >:lriis cinicnilricis dense cancellatis, 

 area cohiiiiclhiri iii,iplii, hrrigidd, edentidatd ; sordide 

 rosc'o-lutesvente, nigro tessellatd. 



The George Nerite. Shell ovate, rather depressed, 

 spire flatly impressed, small, pointed, whorls rather 

 narrow, spirally ribbed, ribs thin, rather distant, in- 

 terstices densely cancellated with concentric striae, co- 

 lumellar area large, smooth, edentulate ; dull pinkish- 

 yellow, tessellated with black. 



Recluz, Eevue Zool. Soc. Cuvierieune, 1841, p. 180. 



llab. King George's Island. 



A light rather depressed shell, sculptured with thin 

 rather distant ribs, having the interstices densely latticed 

 witli crossed stria;. 



