"The Foraminifera are enclosed in minute calcareous shells, early invisible to the naked eye; they are found among the sands of the sea. The, in common with corals, are great agents in helping to form islands, which rise out of the bosom of the deep in the warm regions of the globe."

Alveolina Ovoidea (d'Orbigny)

"The Foraminifera are enclosed in minute calcareous shells, early invisible to the naked eye; they are…

This letter A with angels is designed with the angels playing a trumpet and a sea shell in the background. All around are leaves and flowers.

Letter A with Angels

This letter A with angels is designed with the angels playing a trumpet and a sea shell in the background.…

"The Molluscous Gasteropoda have the organs of respiration formed for aerial respiration or for respiration under water. A magic influence was attributed to them; they were supposed , for instance, to have an influence over the female heart."

Aplysia Depilans (Linn.)

"The Molluscous Gasteropoda have the organs of respiration formed for aerial respiration or for respiration…

"The Molluscous Gasteropoda have the organs of respiration formed for aerial respiration or for respiration under water. Some of the species were known to the ancients as Sea-hares."

Aplysia Inca (D'Orbigny)

"The Molluscous Gasteropoda have the organs of respiration formed for aerial respiration or for respiration…

It has received the strange name of the Watering-pot because of a convex disk that is pierced with holes like a watering-pot. The animal is attached by certain muscles to the interior of the tube.

Aspergillum Vaginiferum (Lamarck)

It has received the strange name of the Watering-pot because of a convex disk that is pierced with holes…

"The animals have a well-developed shell, the form of which is elegant and delicate in structure. They are found in almost every sea, but abound chiefly in the Indian ocean and Oceania."

Bulla Ampulla (Linnaeus)

"The animals have a well-developed shell, the form of which is elegant and delicate in structure. They…

"The animals have a well-developed shell, the form of which is elegant and delicate in structure. They are found in almost every sea, but abound chiefly in the Indian ocean and Oceania."

Bulla Aspersa (Adams)

"The animals have a well-developed shell, the form of which is elegant and delicate in structure. They…

"The animals have a well-developed shell, the form of which is elegant and delicate in structure. They are found in almost every sea, but abound chiefly in the Indian ocean and Oceania."

Bulla Oblonga (Adams)

"The animals have a well-developed shell, the form of which is elegant and delicate in structure. They…

"The Foraminifera are enclosed in minute calcareous shells, early invisible to the naked eye; they are found among the sands of the sea. The, in common with corals, are great agents in helping to form islands, which rise out of the bosom of the deep in the warm regions of the globe."

Calcarina Calcitrpoides (Lamarck)

"The Foraminifera are enclosed in minute calcareous shells, early invisible to the naked eye; they are…

One group will take the spherical form and produce a shell in the shape of the nautilus. In this case, the shell is spiral, with the chamber equilateral, with a larger and smaller side.

Cassidulina Laevigata

One group will take the spherical form and produce a shell in the shape of the nautilus. In this case,…

"The genus <em>Conus</em> is especially rich in species, as well as numerous individuals. This group presents a remarkable uniformity of shape."

Conus Gloria Maris (Chemn.)

"The genus Conus is especially rich in species, as well as numerous individuals. This group…

"The genus <em>Conus</em> is especially rich in species, as well as numerous individuals. This group presents a remarkable uniformity of shape."

Conus Nobilis (Linn.)

"The genus Conus is especially rich in species, as well as numerous individuals. This group…

"The genus <em>Conus</em> is especially rich in species, as well as numerous individuals. This group presents a remarkable uniformity of shape."

Conus Tescallatus (Born.)

"The genus Conus is especially rich in species, as well as numerous individuals. This group…

"The genus <em>Conus</em> is especially rich in species, as well as numerous individuals. This group presents a remarkable uniformity of shape."

Conus Textilis (Linn.)

"The genus Conus is especially rich in species, as well as numerous individuals. This group…

"Cyprea Europea." -Taylor, 1904

Cyprea Europea

"Cyprea Europea." -Taylor, 1904

"The shell advances beyond this simple type by a process of linear budding, the first cell being spherical, with an opening through which a second segment is formed, generally a little larger than the first. This new growth is followed by others developed in the same way, until the organism attains its maturity."

Dentalina Subarcuata

"The shell advances beyond this simple type by a process of linear budding, the first cell being spherical,…

"Emarginula reticulata." -Taylor, 1904

Emarginula reticulata

"Emarginula reticulata." -Taylor, 1904

This engraving is in the style of a sea shell.

Engraving

This engraving is in the style of a sea shell.

"The Foraminifera are enclosed in minute calcareous shells, early invisible to the naked eye; they are found among the sands of the sea. The, in common with corals, are great agents in helping to form islands, which rise out of the bosom of the deep in the warm regions of the globe."

Fabularia Discolithus (Defrance)

"The Foraminifera are enclosed in minute calcareous shells, early invisible to the naked eye; they are…

A remarkable species of the genus <em>Fusus</em>.

Fusus Colus

A remarkable species of the genus Fusus.

A remarkable species of the genus <em>Fusus</em>.

Fusus Pagodus

A remarkable species of the genus Fusus.

A remarkable species of the genus <em>Fusus</em>.

Fusus Proboscidiferus

A remarkable species of the genus Fusus.

The body is enclosed in a glassy shell composed of flint. The shell is perforated by numerous holes through which the pseudopodia are emitted, and it is usually of extreme beauty, being sculptured in various ways, and often adorned with spines.

Haliomma Hexacanthum

The body is enclosed in a glassy shell composed of flint. The shell is perforated by numerous holes…

"The genus <em>Harpa</em> contains shells from the Indian ocean, richly enameled within and ornamented externally with slightly oblique, longitudinal stripes with finely sculptured forms in the intervals; spire very small and opening large."

Harpa Ventricosa (Linnaeus)

"The genus Harpa contains shells from the Indian ocean, richly enameled within and ornamented…

"The snails are male and female in the same individual, or hermaphrodite. The Romans had many species served up at their feasts, which they distinguished in categories according to the delicacy of their flesh."

Helix Aspersa (Var. Scalaris)

"The snails are male and female in the same individual, or hermaphrodite. The Romans had many species…

An "idea of the many elegant forms which the shell of the genus <em>Helix</em> assumes."

Helix Citrina

An "idea of the many elegant forms which the shell of the genus Helix assumes."

"The snails are male and female in the same individual, or hermaphrodite. [This is] the favorite culinary snail in the region around Paris"

Helix Pomatia (Linnaeus)

"The snails are male and female in the same individual, or hermaphrodite. [This is] the favorite culinary…

An "idea of the many elegant forms which the shell of the genus <em>Helix</em> assumes."

Helix Stuartia

An "idea of the many elegant forms which the shell of the genus Helix assumes."

Plain or biform classification of the genus <em>Helix</em>.

Helix Translucida (Linnaeus)

Plain or biform classification of the genus Helix.

Tun-bottomed classification of the genus <em>Helix</em>.

Helix Undulata (Ferussac)

Tun-bottomed classification of the genus Helix.

Plain or biform classification of the genus <em>Helix</em>.

Helix Waltoni (Reeve)

Plain or biform classification of the genus Helix.

The Ivory Shell (Eburna spirata) is a gastropod mollusk in the Buccinidae family of true whelks.

Ivory Shell

The Ivory Shell (Eburna spirata) is a gastropod mollusk in the Buccinidae family of true whelks.

A thin diaphanous shell in which species of the genus Limnaea live. They can be found in the fresh waters of most countries.

Limnaea Stagnalis (Linnaeus)

A thin diaphanous shell in which species of the genus Limnaea live. They can be found in the fresh waters…

Murex is a genus of predatory gastropod mollusks.

Murex

Murex is a genus of predatory gastropod mollusks.

"The genus <em>Murex</em>, or Rock Shells, includes a large number of species, all remarkable for their brilliant colors and somewhat fantastical and varied forms."

Murex Erinaceus (Linnaeus)

"The genus Murex, or Rock Shells, includes a large number of species, all remarkable for their…

"The genus <em>Murex</em>, or Rock Shells, includes a large number of species, all remarkable for their brilliant colors and somewhat fantastical and varied forms."

Murex Haustellum (Linnaeus)

"The genus Murex, or Rock Shells, includes a large number of species, all remarkable for their…

"The genus <em>Murex</em>, or Rock Shells, includes a large number of species, all remarkable for their brilliant colors and somewhat fantastical and varied forms."

Murex Scorpio (Linnaeus)

"The genus Murex, or Rock Shells, includes a large number of species, all remarkable for their…

"The genus <em>Murex</em>, or Rock Shells, includes a large number of species, all remarkable for their brilliant colors and somewhat fantastical and varied forms."

Murex Tenuispina (Lamarck)

"The genus Murex, or Rock Shells, includes a large number of species, all remarkable for their…

"Nassa reticulata." -Taylor, 1904

Nassa reticulata

"Nassa reticulata." -Taylor, 1904

"Natica catenoides." -Taylor, 1904

Natica catenoides

"Natica catenoides." -Taylor, 1904

Naticina papilla is a species of naticoid, a predatory sea snail in the gastropod class of Mollusca.

Naticoid

Naticina papilla is a species of naticoid, a predatory sea snail in the gastropod class of Mollusca.

Naticina haliotoides is a species of naticoid, a predatory sea snail in the gastropod class of Mollusca.

Naticoid

Naticina haliotoides is a species of naticoid, a predatory sea snail in the gastropod class of Mollusca.

"In the last partition of the shell is the animal, covered by its mantle, which lines to walls of the partitions. The mouth of the nautilus is armed with mandibles, fashioned somewhat like a parrot's beak."

Nautilus Pompilius (Linnaeus), showing the interior of the lower cell, to which the animal is fixed.

"In the last partition of the shell is the animal, covered by its mantle, which lines to walls of the…

One group will take the spherical form and produce a shell in the shape of the nautilus. In this case, the external convolutions conceal those previously formed.

Nummulina Perforta

One group will take the spherical form and produce a shell in the shape of the nautilus. In this case,…

One group will take the spherical form and produce a shell in the shape of the nautilus. In this case, all the convolutions are visible.

Operculina

One group will take the spherical form and produce a shell in the shape of the nautilus. In this case,…

"Pecten varius." -Taylor, 1904

Pecten varius

"Pecten varius." -Taylor, 1904

"Pectunculus glycimeris." -Taylor, 1904

Pectunculus glycimeris

"Pectunculus glycimeris." -Taylor, 1904

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate its cell at the bottom of one of these gloomy retreats seems to be all that the animal lives for.

Pholas Crispata (Linnaeus)

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate…

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate its cell at the bottom of one of these gloomy retreats seems to be all that the animal lives for.

Pholas Dactylus (Linnaeus)

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate…

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate its cell at the bottom of one of these gloomy retreats seems to be all that the animal lives for.

Pholas Melanoura (Sowerby)

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate…

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate its cell at the bottom of one of these gloomy retreats seems to be all that the animal lives for.

Pholas Papyracea (Solander)

This species is able to hollow out a home in a solid block of gneiss, one of the hardest rocks. To excavate…

The shell of the Planorbis is thin, light and disk-like in form. The can creep along solid bodies, or swim upside-down through the water.

Planorbis Corneus (Linnaeus)

The shell of the Planorbis is thin, light and disk-like in form. The can creep along solid bodies, or…

This species is known as the Sea-spiders or Scorpion-shells.

Pteroceras Chiragra (Linnaeus)

This species is known as the Sea-spiders or Scorpion-shells.

This species is known as the Sea-spiders or Scorpion-shells.

Pteroceras Lambis (Linnaeus)

This species is known as the Sea-spiders or Scorpion-shells.

This species is known as the Sea-spiders or Scorpion-shells.

Pteroceras Millepeda (Linnaeus)

This species is known as the Sea-spiders or Scorpion-shells.

This species is known as the Sea-spiders or Scorpion-shells.

Pteroceras Scorpio (Linnaeus)

This species is known as the Sea-spiders or Scorpion-shells.

Kindred of the genus <em>Helix</em>.

Pupa Uva

Kindred of the genus Helix.

"Purpura lapillus." -Taylor, 1904

Purpura lapillus

"Purpura lapillus." -Taylor, 1904

One group will take the spherical form and produce a shell in the shape of the nautilus. Some are more or less oblong, each new segment being nearly equal to the entire length of the shell.

Rotalia

One group will take the spherical form and produce a shell in the shape of the nautilus. Some are more…

The scallop (Hinnites pusio) is a marine bivalve mollusk from the Pectinidae family.

Scallop

The scallop (Hinnites pusio) is a marine bivalve mollusk from the Pectinidae family.