A Manual of Conchology / According to the System Laid Down by Lamarck, with the Late Improvements by De Blainville. Exemplified and Arranged for the Use of Students.

by Thomas Wyatt

N. Virginea.

N. fluviatilis.

N. viridis.

N. Bætica.

N. fluviatilis. The fresh-water Neritina.

Shell very small, oval; back convex, smooth, white, with black or brown spots; spire inclined, lateral lip slightly denticulated; right edge sharp, operculum very oblique.

N. zebra. The zebra or striped Neritina. Pl. [21], fig. 2.

Same as N. fluviatilis, but striped instead of spotted.

N. corona. The crown Neritina. Pl. [21], fig. 4.

Species provided with long spines, and with the columellar edge denticulated.