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Abalone or ear-shell; furnishes mother-of-pearl for inlaid work.

Abalone

Abalone or ear-shell; furnishes mother-of-pearl for inlaid work.

Chiton is a peculiar marine mollusk. It is low and flat, creeping like the limpets. But the shell consists of a series of eight pieces overlapping one another from the anterior to the posterior end.

Chiton

Chiton is a peculiar marine mollusk. It is low and flat, creeping like the limpets. But the shell consists…

Limpets are found along the shore. they are gastropods with low conical shells. this is a surface view.

Limpet

Limpets are found along the shore. they are gastropods with low conical shells. this is a surface view.

Limpets are found along the shore. they are gastropods with low conical shells. This is a side view.

Limpet

Limpets are found along the shore. they are gastropods with low conical shells. This is a side view.

<i>Fusus antiquus</i>. "...a division of prosobranchiate gastropods, having the lip of the shell notched, canaliculate, or tubular, for the protrusion of a respiratory siphon. a, branchial siphon; b, proboscis; c, operculum; d, d, tentacles; f, foot." &mdash;Whitney, 1889

Red Whelk

Fusus antiquus. "...a division of prosobranchiate gastropods, having the lip of the shell notched, canaliculate,…

Parts of a snail shell.

Snail Shell

Parts of a snail shell.

A kind of snail shell; the left-hand shell.

Snail Shell

A kind of snail shell; the left-hand shell.

A kind of snail shell; the flat spiral or discoid shell.

Snail Shell

A kind of snail shell; the flat spiral or discoid shell.

A kind of snail shell; the right -hand shell.

Snail Shell

A kind of snail shell; the right -hand shell.

Slugs are air-breathing, terrestrial gastropods, almost always destitute of a shell. Slugs are nocturnal, hence are less conspicuous than snails.

Slug

Slugs are air-breathing, terrestrial gastropods, almost always destitute of a shell. Slugs are nocturnal,…

Sea slugs are found near shore. Many of them are devoid of shells when adult, but all have shells in their earlier stages.

Sea Slug

Sea slugs are found near shore. Many of them are devoid of shells when adult, but all have shells in…

In this species of pond snail, the aperture of the shell is not closed by an operculum.

Pond Snail

In this species of pond snail, the aperture of the shell is not closed by an operculum.

In this species of pond snail, the aperture of the shell is closed by an operculum.

Pond Snail

In this species of pond snail, the aperture of the shell is closed by an operculum.

In this species of pond snail, the aperture of the shell is closed by an operculum.

Pond Snail

In this species of pond snail, the aperture of the shell is closed by an operculum.

A pond snail creeping. The largest part extending from the shell is the foot.

Pond Snail

A pond snail creeping. The largest part extending from the shell is the foot.

A pond snail creeping. The largest part extending from the shell is the foot. The proboscis is in the center.

Pond Snail

A pond snail creeping. The largest part extending from the shell is the foot. The proboscis is in the…

Variations in a common pond snail.

Pond Snail

Variations in a common pond snail.

Variations in a common pond snail.

Pond Snail

Variations in a common pond snail.

Variations in a common pond snail.

Pond Snail

Variations in a common pond snail.

Variations in a common pond snail.

Pond Snail

Variations in a common pond snail.

Variations in a common pond snail.

Pond Snail

Variations in a common pond snail.

Variations in a common pond snail.

Pond Snail

Variations in a common pond snail.

A large sea snail (Natica); it feeds on clams, etc., boring through their shells.

Sea Snail

A large sea snail (Natica); it feeds on clams, etc., boring through their shells.

A large sea snail (Natica) crawling; showing the very large foot surrounding the shell.

Sea Snail

A large sea snail (Natica) crawling; showing the very large foot surrounding the shell.