NERITINA. 



Species 09. (Fig. a, h, Mus. Cuming.) 



NeriTINa KUGATA. Nc'i-.te-ifd ohJique orafn, .vihglohnm, 



sphi'i ci.r exsn-tu.aiifmdUnts xiih,ni,i, ::,:,,., ,- ,v,'r ,.s„- 



riKjiilix, ml aiKiiihiiii oi.w/r 



sp,. 



declii 



fijn 



siiln 



intns candf'scente . 



The wrinkled NeritIxNa. Shell obliquely ovate, sub- 

 globose, spire scarcely exserteil, whorls faintly an- 

 gled, wart-wrinkled, obsoletely spinous at the angle, 

 columellar area slanting, slightly sinuated next the 

 apex ; coal-black, bluish-red within. 



Recluz, Eevue Zool. Soc. Cuvierienne, 1843, p. 7.5. 



Hob. Island of Negros, riiilippiues (in mountain streams) ; 

 Cuming. 

 Well characterized by a line wart-wrinkled sculpture. 



Species 70. (Fig. a, b, iVIus. Cuming.) 



Nekitina insculpta. Nit. testa ovatii, spird obUqni 

 exsertd, aiifractibiis siiperiie leriter cot/cnvin, deiudc 

 roiundatis, snlcis linmribus spiralibua iitscii/ptis, area 

 columellari mibconcavd ; intense ccendeo-nifjrd. 



The engraven Neritina. Shell ovate, spire obliquely 

 exserted, whorls slightly concave on the upper part, 

 then rounded, engraved with s|)iral linear grooves, 

 columellar area rather concave ; dark bluc-black. 



Hab. Sandwich Islands. 



A dark blue-black shell, engraved throughout with 



spiral linear grooves, partaking largely of the characters of 



Nerita. 



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

 Neeitina Listeri. Ker. testa oblique ovatd, spird sub- 

 conoided, parum exsertd, anfractibus convexis, Itcvibus, 

 area columellari decliri, callosd, aperturd parviasciild, 

 tabro coiitructo ; nigricante-olivaced, punctis lineisque 

 viinutis lutels aspersd. 



Lister's Neeitina. Shell obliquely ovate, spire sub- 

 conoid, but little exserted, whorls convex, smooth, 

 columellar area slanting, callous, aperture rather 

 small, lip contracted ; blackish-olive, sprinkled witli 

 yellow dots and minute lines. 



Pfeiffee, Sowerby, Thesaurus Conch, part 10. p. ~>Zi. 



Hab. Cuba, Nicara-jfua. 



Of a pel 



n, the columellar area being v 

 usuallv attenuately contracted. 



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



Neritina Macgillivrayi. Ner. testd ovato-globosd, spird 

 sitbexsertd, anfractibus superue concavis, deinde rotitn- 

 datis, dense elevalo-striatis, ared columellari excaoato- 

 declioi ; sordide atrd. 



Macgillivray's Neritina. Shell ovately globose, spire 

 slightly exserted ; whorls concave round the upper 

 part, then rounded, closely elevatety striated, colu- 

 mellar area excavately slanting ; dull black. 



Ilab. Solomon's Island ; JMacgillivray. 



Well characterized in form, while tlie surface has a 



finely-striated satiny hue. 



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



Neritina aquatilis. Ner. testd conoideo-glolmd, so- 

 lidd, spird subobtttsd, anfractibas stqiermt leviler con- 

 cavis, deinde coiire.ris, IrPBibiis, ared columellari cal- 

 losd ; olivaceu-liited, liiieis iiiyrls acute undutis dense 

 pietd. 



The eippled Neeitina. Shell conoidly globose, solid, 

 spire rather obtuse, whorls slightly concave round 

 the upper part, then convex, smooth, columellar area 

 callous; olive-yellow, thickly nuu-ked with black zig- 

 zag lines. 



Hah. ? 



Very densely painted throughout with fine black zigzag 



lines upon an olive-yellow ground. 



November, 1855. 



