ClipArt ETC
A gasteropodous mollusk, differing from the slug in having a large, spiral shell. The species are very numerous, varing somewhat in habits and size, and inhabiting practically all regions where fresh water is obtainable.

Snail

A gasteropodous mollusk, differing from the slug in having a large, spiral shell. The species are very…

Diagram of the mouth of a snail, showing the lingual ribbon. br, brain; c, buccal cavity; co., caelom; g, gullet; j, jaw, against which the radula works; m, mouth; r., radula; r.s., radula sac, in which the radula is renewed as it is worn away in front.

Snail

Diagram of the mouth of a snail, showing the lingual ribbon. br, brain; c, buccal cavity; co., caelom;…

Diagram of a dissection of the reproductive organs of a snail. a.g., albumen gland; c.d., common or hermaphrodite duct; c.g., hermaphrodite gland; d.s., dart sac; f, flagellum; g, genital aperture; m.g., mucous glands; o, oviduct; p, penis; r.s., receptaculum seminis; v.d., vas deferens.

Snail

Diagram of a dissection of the reproductive organs of a snail. a.g., albumen gland; c.d., common or…

A snail approaching bugs swimming at the waters edge.

Snail

A snail approaching bugs swimming at the waters edge.

"Anatomy of the Snail: a, the mouth; bb, foot; c, anus; dd, lung; e, stomach, covered above by the salivary glands; ff, intestine; g, liver; h, heart; i, aorta; j, gastric artery; l, hepatic artery; k, artery of the foot; mm, abdominal cavity, supplying the place of a cenous sinus; nn, irregular canal in communication with the abdominal cavaty, and carrying the blood to the lung; oo, vessel carrying the blood from the lung to the heart." — Chambers, 1881

Snail Anatomy

"Anatomy of the Snail: a, the mouth; bb, foot; c, anus; dd, lung; e, stomach, covered above by the salivary…

A series of Stylommatophorous Pulmonata, showing transitional forms between snail and slug.

Snail and Slug

A series of Stylommatophorous Pulmonata, showing transitional forms between snail and slug.

A snail attempting to rescue an insect at a very slow pace.

Snail Rescue

A snail attempting to rescue an insect at a very slow pace.

<i>Helix pomatia</i>. "A large-shelled, edible" snail, also called the Burgundy snail or escargot when used in cooking. —Whitney, 1889. <p>This illustration shows only the shell and not the animal. It is an air-breathing, land snail.

Roman Snail Shell

Helix pomatia. "A large-shelled, edible" snail, also called the Burgundy snail or escargot when used…

A species of snail with a round mouth (1).

A Species of Snail

A species of snail with a round mouth (1).

Circulatory and nervous system of a snail. Labels: F, tentacles; Oe, esophagus; Cg, cerebral ganglion; Pg, pedal ganglion and otocyst; Vg, visceral ganglion; Phg, pharyngeal ganglion; A, abdominal aorta; Ac, cephalic aorta; V, veins; V c, brachial veins; Br, gills.

Circulatory and Nervous System of a Snail

Circulatory and nervous system of a snail. Labels: F, tentacles; Oe, esophagus; Cg, cerebral ganglion;…

"This is furnished with four tentacula, two of which are smaller than the others; at the end of these, which the animal pushes out or draws back like telescopes, are blackish knobs, which are the eyes." &mdash; Goodrich, 1859

Common snail

"This is furnished with four tentacula, two of which are smaller than the others; at the end of these,…

<em>Lunatia heros</em> or the Northern moon snail, the common salt-water snail of the Atlantic coast.

Northern Moon Snail

Lunatia heros or the Northern moon snail, the common salt-water snail of the Atlantic coast.

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.

The violet snail is a floating sea slug. The snail is able to float due to the mucus covered raft that it produces.

Violet Snail

The violet snail is a floating sea slug. The snail is able to float due to the mucus covered raft that…

<i>Liparis lineata</i>. A fish of the genus <i>Liparis</i>; so called from their soft unctuous feel, and their habit of adhering to rocks by means of a ventral sucker. <p>This illustration shows a profile view of the fish.

Snailfish

Liparis lineata. A fish of the genus Liparis; so called from their soft unctuous feel, and their habit…

<i>Liparis lineata</i>. A fish of the genus <i>Liparis</i>; so called from their soft unctuous feel, and their habit of adhering to rocks by means of a ventral sucker. <p>This illustration shows the sucker present on the underside of the fish, between the pectoral fins.

Snailfish - Sucker Between the Pectoral Fins

Liparis lineata. A fish of the genus Liparis; so called from their soft unctuous feel, and their habit…

"The Angel-winged is shown [here]. It is veined with stripes of white and red, and comes from the coasts of Asia and America."

Strombus Gallus (Linn.)

"The Angel-winged is shown [here]. It is veined with stripes of white and red, and comes from the coasts…

"The <em>Strombus</em> is a peculiar genus, belonging to the equatorial seas. Some of these attain great size."

Shell of Strombus Gigas

"The Strombus is a peculiar genus, belonging to the equatorial seas. Some of these attain great…

"The <em>Strombus</em> is a peculiar genus, belonging to the equatorial seas. Some of these attain great size."

Strombus Gigas (Linnaeus), with the animal

"The Strombus is a peculiar genus, belonging to the equatorial seas. Some of these attain great…

"The genus <em>Triton</em> is classed next to the genus <em>Murex</em>. The shell is irregularly covered with swelling excrescences, scattered all over the surface."

Triton Anus (Lamarck)

"The genus Triton is classed next to the genus Murex. The shell is irregularly covered…

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating tide."

Voluta Cymbium (Linnaeus)

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating…

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating tide."

Voluta Delessertii (Petit)

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating…

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating tide."

Voluta Imperialis (Lamarck)

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating…

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating tide."

Voluta Musica (Linn.)

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating…

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating tide."

Voluta Scapha (Gmel.)

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating…

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating tide."

Voluta Undulata (Lamarck)

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating…

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating tide."

Voluta Vexillum (Chem.)

"The Volutes live in the sands near the shore; sometimes they are found high and dry, left by the retreating…

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

Wentletrap

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

Wentletrap

The wentletrap (Scalaria pretiosa) is gastropod mollusk named after its spiral staircase appearance.

o - operculum; s - siphon

Whelk

o - operculum; s - siphon