NERITINA. 



Species 109. (Fig. a, h, Mus. Ciiraiiig.) 



Neeitina MiCH.iUDl. Nff. tesfd siiljf/lolwm, sp'irii phino- 

 ohtusd, siduris impresus, anfracdbus mperni pkino- 

 concavis, deinde convi'xk, lavibns, poUtis, urea colu- 

 mellari callosd ; luteo-oUvaced, lineis ttlgris ncii/c 

 tratiseerse undatis ornata. 



Michaud's Neritina. Shell subg-lobose, spire llutly 

 obtuse, sutures impressed, whorls flatly concave round 

 the upper part, then convex, smooth, polished, colu- 

 mellar area callous ; yellowish-olive, ornamented with 

 sliarp transversely zigzag black lines. 



Recluz, I'ro. Zool. Soc. 1841, p. 31.5. 



Ilah. Panama. 



Of a polished glassy substance, neatly paiuted with 



sharp transversely zigzag black lines. 



Species 110. (Fig. «, 4, Mus. Cuming.) 



Neritina lentiginosa. Ncr. testa, couoideo-r/lobosd, so- 

 lidiiisculd, splrd ohtnad, aiifnictibiis siipcnie declivlbiia 

 et subntde pli(;i/u-.slrui//i, ami cii/in,ie/!iii-i siibcallvm ; 

 oVwacL'd, jiiiiivUs iiiniiilia alhix, iihjro nmbndk, pro- 

 miscue leuthiinusd. 

 The freckled Neritina. Shell couoidly globose, rather 

 solid, spire obtuse, whorls slanting round the upper 

 part, and rather rudely plicately striated, columellar 

 area rather callous ; olive, promiscuously freckled 

 with miuute black-shaded white dots. 

 Hab. Pacific Islands. 



A dark olive Faludinu-Vika species, freckled with pro- 

 miscuous black-shaded white dots. 



Species 111. (Fig. a, b, Mus. Cuming.) 

 Neritina pulchra. Ni/r. testa ovato-coiwided, solidd, 

 spird siibe.csertd, avfractibm s/ipenie coiicavo-dect/ri- 

 bus, ddnde conve.vis, taeibus, niteuttbus, area cohuiii'l- 

 tari callosd ; intense fiilvd, macidis yrandibus niijris 

 tessellatd aid fasciatd, interdum rnfo parti m tinctd. 



The pretty Neritina. Shell ovately conoid, solid, 

 spire rather exserted, whorls concavely slanting round 

 the upper part, then convex, smooth, shining, colu- 

 mellar area callous ; dark fulvous, tessellated or 

 banded with large black spots, sometimes partially 

 tinged with red. 



SowERiiY, Couch. Illustrations, f 59. 



Hab. Panama. 



A dark shining fulvous species, prettily tessellated uidi 



black blotches, sometimes ranging in bauds. 



Species 113. (Fig. a, b, Mus. Cuming.) 



Neritina meleagris. Ner. testa conoideo-ijlobosd, spird 

 brevi, obtiisd, anfractibus convexis, Icevibus, area colu- 

 mellari calloso-declivi ; albidd, yriseo rarie reticulata 

 et Hieoso-punctatd. 

 The guinea-fowl Neritina. Shell conoidly globose, 

 spire short, obtuse, whorls convex, smooth, columellar 

 area callously slanting ; whitish, variously reticulated 

 with grey and snow-flaked. 

 Lamarck, Anim. sans vert. vol. viii. p. 575. 

 Hab. Honduras Bay ; Dyson. 



Distinguished by a characteristic pattern of grey net- 

 work interspersed with small white flakes. 



Species 113. (Fig. a, b, Mus. Cuming.) 



Neritina Feaseri. Ner. testa depresso-subglobosd, spird 

 pannii exsertd, anfractibus superne concavis, deinde 

 convexis, concerdrice plicato-Uratis, ared colmneltari 

 latiusculd, declivi ; nir/ricante-olivaced. 



Frasee's Neritina. Shell depressly subglobose, spire 

 but little exserted, whorls concave round the upper 

 part, concentrically plicately ridged, columellar area 

 rather broad, slanting ; blackish-olive. 



Hab. West Africa ; Fraser. 



A dark olive species, with a characteristic sculpture of 



wrinkle-ridses. 



jber, 1855. 



