| Fam. Peristomata.
|
| 318.
|
Ampullaria fasciata. Amphibola; a, aperture.
|
| 319.
|
—— Guinaica. Lanistes, Montf.
|
| 320.
|
—— Cornu-arietis. Ceradotes, Guild.
|
| 321.
|
Paludina Bengalensis.
|
| 322.
|
Valvata piscinalis.
|
| Fam. Neritacea.
|
| 323.
|
Navicella elliptica.
|
| 324.
|
Neritina virginea. Theodoxus, Montf.
|
| 325.
|
—— spinosa. Clithon, Montf.
|
| 326.
|
—— perversa. Velates, Montf. (from Sow. Gen.)
|
| 327.
|
Natica mamilla. Polinices, Montf.
|
| 328.
|
—— lineata.
|
| 330.
|
Nerita peloronta. Peloronta, Oken.
|
| 331.
|
Neritopsis granosa.
|
| 332.
|
Pileolus plicatus.
|
| 333.
|
Janthina fragilis.
|
| Fam. Macrostomata.
|
| 334.
|
Sigaretus concavus.
|
| 335.
|
Stomatia Phymotis.
|
| 336.
|
Stomatella imbricata.
|
| 337.
|
Velutina lævigata. Galericulus, Nonnul.
|
| 338.
|
Haliotis rubra, young.
|
| 339.
|
—— tricostalis, Lam. Padollus, Montf.
|
| 340.
|
| Scissurella elatior, magnified.
|
|
(from Sow. Gen.)
|
| Pleurotomaria reticulata.
|
|
| 341.
|
| Fam. Plicacea.
|
| 342.
|
Pyramidella terebellum.
|
| 343.
|
Tornatella solidula. Acteon, Montf.
|
|
344.
|
Monoptygma elegans. (from Lea.)
|
| Fam. Scalariana.
|
| 345.
|
Vermetus lumbricalis.
|
| 346.
|
Rissoa reticulata.
|
| 347.
|
Eulima labiosa.
|
| 348.
|
—— marmorata. Bonellia, Desh.
|
