538 



whorls gently sloped, thick, white, with strong black, longitudinal, 

 undulating, and interrupted lines and bands; columella thick, 

 with an orange brown tint near the outer edge, the inner edge 

 toothed, with a short sinus in the centre ; operculum black. Of the 

 two specimens figured, one is more and the other less conical than 

 the average. 



Banks of the Ganges, Calcutta. 



103. Neeitina communis (pi. cix. f. 14-25), Quoy et Gain/. 

 Voy. Astrol. N. elegantina, P/dlippi, Abbildungen, p. 25. 1. 1. f. 3. 



N. testa ovali, subconica, N. Smithii simili, sed anfractibus 

 minus rotundatis, labio externo prope suturam elevato ; columella" 

 minus tumida, vix arcuata; cpidermide tenuissima; testa varie picta. 



Of a more oval form than N. Smithii, with the slope of the 

 spire more gradual; the columella is not nearly so gibbous, and 

 scarcely arched ; the outer hp has a slight elevation near the 

 suture, is thinner and rather more expanded ; the external surface 

 is variously painted. 



Island of Siquijor, Phihppines; on stones in a small stream. 

 Oummg. 



104. Neeitina pldmbea (pi. cxii. f. 119, 120), Jlecluz, MS. 

 N. Nux, Brod.t 



N. testa N. communi simili, sed magis globosa; apertura 

 majore. 



A more ventricose shell than N. communis, and with a larger 

 aperture. The typical variety is of a leaden colour; another is 

 of a lemon tint, and the other is olive, with dark broad bands. 



Island of 13ohal, Philippines. Cuming. 



105. ISTeeitina Zebea (pi. cxii. f. 96, 97), Lam., x\nim. s. 

 vert. Nerita, no. 4. 



N. testa globosa, subconica, glabra, cpidermide crassa induta, 

 fasciis perobliquis picta ; apertura magna, labio externo intiis in- 

 crassato ; columella subgibbosa, in medio paululum arcuata, den- 

 ticrdata. 



Of a subglobose form, with the spire inclining to conical, not 

 very thick, covered with a rather thick epi dermis, tln'ough which 

 very oblique black bands are seen. The aperture is large ; the 

 outer hp thin near the edge, but thickened within ; the columella 

 of a dull smoky-brown colour, not much thickened, slightly 

 arched in the centre of the edge, and denticulated. 



Tahiti. 



