NEIUTA 



Species 30. (Pig. IG, Mus. Cuming.) 

 Nerita Arabica. Ner. testa compresse glohosa, soUdd, 

 spird vix exsertd, anfractibus rotundatis, spiraliter 

 Uneari-sulcatis, siilcis superficiariis, aperturd incras- 

 said et tenuiserratd, area columellari verrucoso-rugosd 

 et dentatd ; olkaceo-mridi, rosea tinctd, pimctis et ma- 

 c/ilis nigris undique tesseUatd. 

 The Arabic Nekite. Shell compressly globose, solid, 

 spire scarcely exserted, whorls rounded, spirally li- 

 nearly grooved, grooves rather superficial, aperture 

 thickened and finely sen-ated, columellar area wart- 

 wrinkled and toothed ; olive-green, tinged with rose, 

 tessellated throughout with black dots and spots. 

 Hab. Aden, Arabia. 



A compressly globose species, superficially linearly 

 grooved, of a rose-stained olivc-grcen hue, tessellated in 

 a characteristic manner with black dots and spots. 



Species 21. (Fig. 17, Mus. Cuming.) 

 Nerita Neritinoides. Ner. testa ovaid, siibangustd, 

 solidd, sjjird leviter obtuse exsertd, anfractibus superne 

 concavo-declivibus, lavigatis, aperturd simplici, ared 

 columellari concavo-planatd, obsolete minute denticu- 

 latd ; intense nitente-atrd, ared columellari pallide 

 aurantid. 

 The Neritina-like Nerite. Shell ovate, rather nar- 

 row, solid, spire slightly obtusely exserted, whorls 

 concavcly slanting at the upper part, smooth, aper- 

 ture simple, columellar area concavcly flattened, ob- 

 solotely minutely toothed; intense shining black, 

 columellar area pale orange. 

 llab. ? 



A smooth shining black species, partaking in a striking 

 manner of the characters of Neritimi. 



Species 32. (Fig. 18, Mus. Cuming.) 

 Nerita maxima. Ner. testd oblongd, couijjm.sil xnlidi!, 

 subcontcrtd, spird vix exsertd, anfruclilms sHji,riir 

 concavo-planatis, deinde rotmidatis, obsolcl!- xpinilili-r 

 lineari-sulcatd, lesvigntd, nitente, aperturd mcrassald 

 et tenuiserratd, ared columellari politd, dentatd ; nigro 

 et albo undato-nebulatd, nigro preevalente. 

 The very large Nerite. Shell oblong, compressed, 

 solid, somewhat twisted, spire scarcely exserted, 

 whorls concavcly flattened at the upper part, tlicn 

 rounded, obsoletely linearly spirally grooved, smootli, 



shining, aperture thickened and finely serrated, colu- 

 mellar area polished, toothed; wave-clouded black 

 and white, the black predominating. 

 Chemnitz, Conch. Cab. vol. v. p. 287. pi 190. f. 1942, 

 194.3. 



This fine species, though faintly linearly grooved, is 

 smootli and shining througiiout, clouded profusely with 

 waved black, so as almost to obscure tlie white. 



Species 23. (Fig. 19, Mus. Cuming.) 



Nerita grisea. Ner. testd oblongo-ovatd, spird sube.v- 

 sertd, anfractibus superne concavo-impressis, deinde ro- 

 tundatis, dense spiraliter sulcatis, aperturd partim in- 

 crassatd, subserratd, ared columellari subobsolete cor- 

 rugato-Uratd, denticulatd ; albidd, griseo maculatd et 

 obscure trifascintd, apice pallide lutescente. 



The grey Nerite. Shell oblong-ovate, spire slightly 

 exserted, whorls concavcly impressed round the upper 

 part, then rounded, closely spirally grooved, aperture 

 but little thickened, faintly serrated, columellar area 

 rather obsoletely wrinkle-ridged, toothed; whitish, 

 spotted and obscurely three-banded with grey, apex 

 pale yellow. 



Hab. Island of Samar, Philippines ; Cuming. 



The surface of this species, having a more or less eroded 



appearance, is promiscuously spottctl and three-ljanded 



with grey. 



Species 24. (Fig. 20, Mus. Cuming.) 



Nerita picea. Ner. tesin ovalii, mliiliiisnihl, Nrritinrp- 

 formi, spird sube.rscrld, <iiiJ);irHiiiis .^/^/n-r/ir cniicKCO- 

 impressis, deinde ro//rt/(fii//.s, x/nm/i/i'r /n/niri-\ulni(/,s, 

 sulcis leviter umlulatis, aperturd vix iricrassatd, nitide 

 Viratci, area cohimelhtri plano-concavd, minute den- 

 tatd ; Intense carnleo-alrd. 



The pitchy Nerite. Shell ovate, rather solid, Neri- 

 tina- shaped, spire slightly exserted, whorls con- 

 eavely impressed round the upper part, then rounded, 

 spirally linearly grooved, grooves slightly waved, 

 apertnre scarcely thickened, neatly ridged, columellar 

 area flatly concave, minutely toothed ; deep blue- 

 black. 



Eecluz, Kev. Zool. Soe. Cuvieriennc, 1841, p. 1.51. 



Hah. Sandwich Islands. 



This shell, of a dark blue-black, engraved throughout 



with fine linear grooves, slightly waved, partakes very 



much of the characters of NerUlna. 



1855. 



