NERITINA.— Plate I. 



Spt-cifb i. (i'ig. a, i, Mas. Cuming.) 



Nbritina squamapicta. Ner. tedd ohlongo-ovatd, avb- 

 tns concavo-exjjumd, solidd, spirdfere obsoletd, anfrac- 

 libus convejck, coucenlrice Jltxuose striatis, superit} 

 leciter imjiressis, ared columellari ampld, ad lattts 

 cmialiculatd ; oUvaceo-liited, nigro tcnm reiicidatd, 

 obscure fasciatd. 



The scale-painted Nekitina. Shell oblong-ovate, 

 concavely expanded beuealh, solid, spire almost obso- 

 lete, whorls couvex, concentrically flexuously striated, 

 faintly impressed round the upper part, columellar 

 area large, channelled at the side ; olive-yellow, finely 

 reticulated with black, obscurely banded. 



Recluz, Sowerby, Thesaurus Conch, part 10, p. 513. 



Hab. Island of Luzon, Philippines (on stones in a rapid 

 river) ; Cuming. 

 Of a more compressed solid growth than tlie preceding 



species, painted with a fine network. 



Species 5. (i'ig. a, b, Mus. Cuming.) 



Newtina bicolor. Ner. tedd mbconico-oblorujd, crassd, 

 spird ohtml exserld, eroad, anfraciibm supertie cou- 

 cavo-impressis, deinde convexis, suirude plicato-drialis, 

 ared columellari subangudd, declivi ; virescente-olwa- 

 ced, munaculatd, inliis ccerulescente-albd. 



The two-coloured Neritina. Shell somewhat coni- 

 cally oblong, thick, spii'e obtusely exserted, eroded, 

 whorls concavely impressed round the upper part, 

 then convex, somewhat rudely plicately striated, colu- 

 meUar area rather narrow, slanting ; greenish-olive, 

 unspotted, interior bluish-white. 



Recluz, Pro. Zool. Soe. 1843, p. 300. 



Ilab. Island of Luzon (on stones in a mountain stream) ; 

 Cuming. 



The whorls of this species are faintly concavely impressed 

 round the upper part, and rather rudely flexuously striated 

 across. 



