Littorina australis (n.s.) Testa ovata, conica fulva rudis spiraliter striata sulcata, spira acuta, fauce livida.
Shell ovate, conical, fulvous-brown, rough, with numerous impressed spiral lines; the spire acute, the whorls rather convex, last slightly angular, the columella lip purplish-brown; axis solid, with a lunate concavity behind the usual situation of the umbilicus.
48.

Littorina unifasciata (n.s.) Testa ovato-conica imperforata purpureo-albida laevigata, anfractibus convexis ultimo subangulato, apertura purpurea unifasciata.
Icon.

-- Shell ovate conical, nearly smooth, with only a few concentric ridges, and distant, scarcely impressed, very narrow, grooves; white or purplish-white outside; the whorls rather convex, last one slightly angular in front; mouth ovate; throat purple or purplish-black with a distinct broad white spiral band just below the slight external keel; inner lip purple with a deep concavity behind it; spire acute half the length of the shell; axis 8/12, diameter 6/12, of an inch.
This shell has somewhat the shape of Littorina zigzag, the Trochus zigzag of Montague, but is all of one colour externally and has a much shorter spire.
49.

Cerithium palustre, Brug.Dict.n.19.Lam.

Hist.