NERITELLA. 



383 



usually flat, with the margin simple or denticulated ; operculum 

 uniform, without coloured zones. 



Anatensis, Eecluz. 

 Beusoni, Recluz. 

 Bcetica, Lam. 

 Bourguiguati, Reclnz. 

 callosa, Desh. 

 Ceylanensis, Eecluz. 

 chlorina. Link. 

 Colombana, Recluz. 

 cornucopia, Bens. 

 Danubialis, Linn. 

 elliptica, Le Guillou. 

 elongatula, Morel. 

 fluviatilis, Linn. 

 intexta, Villa. 

 inquinata, Morel. 

 Jayana, Eecluz. 

 Matoniana, Eisso. 

 meridionalis, Phil. 

 minima, Le Guillou. 

 Mittreana, Eecluz. 

 nigrita, Ziegl. 

 Numidica, Eecluz. 

 obtusa, Bens. 



Panayana, Recluz. 

 Peloponensis, Eecluz. 

 Perotitiana, Eecluz. 

 picta, Sow. 

 Prevostiana, Ferus. 

 pulchella, Wood. 

 pupa, Liiin. 

 Eaugiana, Eecluz. 

 reticularis, Sow. 

 serratilinea, Soiv. 

 siderea, Gould. 

 Siquijorensis, Eecluz. 

 strangulata, Miihlf. 

 succinea, Eecluz. 

 thermalis, Boube. 

 trabalis, Meusch. 

 transversalis, Ziegl. 

 trifasciata, Mke. 

 turricula, Mke. 

 virginea, Linn. 

 viridis, Linn. 

 zebriua, Eecluz. 



Sub-gen. dostia, Gray (Sandaliformes, Mitrula, Mke.). 



Shell slipper-shaped, solid ; apex entirely posterior, rolled in a 

 half-turn on the side ; peritreme continuous and free ; inner lip 

 septiform, the margin united to the inner portion of the peri- 

 treme, slightly arched in the centre, and denticulated. 



crepidularia, Lam. 

 depressa, Beiis. 

 exaltata, Eecluz. 

 melanostoma, Trosch. 



ovalis, Sow. 

 Phrygia, Meusch. 

 pileolus, Recluz. 

 Touraunensis, Souleyet. 



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