"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…

"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 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…

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.

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…

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…