NERITINA, 



Plate XXVI. 



Species 114. (Fig. a, b, Mus. Cuming-.) 



Neritina aspeksa. Ner. testa suhglohosd, teuuiciila, 

 spird ubtiise jdanatd, anfractibus eorriiffato-lim/is, 

 sujjenit' inn/iihilh, ciil (iiigiihiui loiii/i-sjiiiio.sis, area 



COluiin-lhin Jrrlir 



rbon 



alhd, piincth liiln\ uiinulk olisriire axpi'isd. 



The sprinkled Nekitina. Shell subglobose, rather 

 thin, spire obtusely flattened, whorls wrinkle-ridged, 

 angled round the upper part, long-spined at the an- 

 gle, columellar area slanting, a little sinuated at the 

 upper part ; coal-black, obscurely sprinkled with 

 minute yellowish dots. 



Recluz, MS., Mus. Cuming ; Sowcrby Thesam'us Conch, 

 part 10. p. 534. 



Hab. Sandwich Islands. 



Generally of small size, wrinkle-ridged throughout, and 

 crowned with long spines. 



Species 115. (Fig. a, b, Mus. Cuming.) 



Neritina Souleyetana. Ner. tentd sithrilobosd, spird 

 plano-obtmd, avfractibiis lavihiis, .snjimir cimjithifiis, 

 ad angulum rude tuberctdatis ccl spiiinxh, xpii/is prr- 

 paucis distantibiis, area colinnrllnri dfcliri, nmnjiiir 

 subarcuatd ; virescenie-ollvaced, liiieis liUeis luiigitn- 

 dinalibus mibjlexuosis uitide pictd. 

 Souleyet's Neritina. Shell subglobose, spire flatly 

 obtuse, whorls smooth, angled round the upper part, 

 rudely tubercled or spined at the angle, spines few 

 and distant, columellar area slanting, slightly arched 

 at the margin ; greenish-olive, neatly painted with 

 slightly flexuous longitudinal yellow lines. 

 Recluz, Revue Zool. Soc. Cuvierienue, 1843, p. 183. 

 Hab. Marquesas Islands. 



The waved linear yellow painting of this species is per- 

 haps the most striking characteristic. 



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

 Neritina obtusa. Ner. testd siilKiiKidniln-nrdli, spird 

 obtitsd, anfractibus siiperne subcunrtivii-ilfi-lirihns, de- 

 inde plano-convexis, midique oblique rude plicafo- 

 striatis, area colmnellari callosd, snjierne sinuatd, 

 tnargine arcnatd et deiiticulatd ; sordide olivaced, 

 judiclis miii/itis albidis traiisversis leiitiginosd. 



The obtuse Neritina. Shell somewhat squarely oval, 

 spire obtuse, whorls rather concavely slanting round 

 the upper part, then flatly convex, everywhere ob- 

 liquely, rudely, plicately striated, columellar area cal- 

 lous, sinuated at the upper part, arched and denticu- 

 lated at the margin ; dull olive, freckled with small 

 transverse white dots. 



Benson, Sowerby, Thesaurus Conch, part. 10. p. 517. 



Ilab. Banks of the Ganges, Calcutta. 



A solid obtuse species, of a dark olive-colour, freckled 



throughout with small white dots, splashed transversely. 



Species 117. (Fig. a, b, Mus. Cuming.) 



Neritina Jovis. Ner. testa conoideo-globosd, spira bre- 

 viiiscidd, anfractibus superue declivibus, deinde ro- 

 tundatis, lambns, area, columellari declivi, margine 

 arcuald et iiiiniite denticulatd ; nitenle-atrd, punctis 

 lineisqiicfidgnratis albidis pallide uotatd. 



Jupiter's Neritina. Shell conoidly globose, spire ra- 

 ther short, whorls slanting round the upper part, 

 then rounded, smooth, columellar area slanting, arched 

 and minutely toothed at the margin ; shining black, 

 faintly marked with whitish dots and lightning 

 marks. 



Recluz, MS., Mus. Cuming. 



Eab. ? 



A smooth, shining, black, conoidly globose shell, marked 



with faint white dots and zigzag lines. 



Species 118. (Fig. a, b, Mus. Cuming.) 



Neritina cassiculum. Ner. testd obtuse conoided, sub- 

 globosd, solidd, spird vix exsertd, anfractibus subplano- 

 coinr.fis, iired columellari callosd, margine corrugato- 

 striald; luleo-olimced, nigro tenue retictdatd, area 

 columellari pallide curneold. 



The little helmet Neritina. Shell obtusely conoid, 

 rather globose, solid, spire scarcely exserted, whorls 

 rather flatly convex, columellar area callous, wrinkle- 

 striated at the margin ; yellowish-olive, finely reticu- 

 lated with black, columellar area pale flesh-tinged. 



Sowerby, Conch. Illustrations, f. 55. 



Hab. ? 



A solid bluntly conoid species, of a dark oUve-colour, 



covered with a fine lacing of black. 



November, 1855. 



