"The name given by the Greeks and Romans to the plants sometimes called Brancursine, of which it is…
"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…
"The Paper-nautilus, or Argonaut, [floats] gracefully on the surface of the sea, trimming its tiny sail…
"The argonaut can blush, turn pale, and show through its transparent shell its body changing in sudden…
"The principal apparatus of progression of the animal is the funnel with which it is furnished, in common…
It has received the strange name of the Watering-pot because of a convex disk that is pierced with holes…
"The Purpuras have a classical name and history, having furnished the Greeks and Romans with the brilliant…
"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…
"The animals have a well-developed shell, the form of which is elegant and delicate in structure. They…
"The familiar cockles are among the most widely distributed of shells. The greatest number are furnished…
"The familiar cockles are among the most widely distributed of shells. An exotic species which inhabits…
"The familiar cockles are among the most widely distributed of shells. A species common to the Atlantic…
"The familiar cockles are among the most widely distributed of shells. The accessory ornamentation varies…
"In the genus Cassis the shell is oval, convex, and the spire is not of considerable height.…
"In the genus Cassis the shell is oval, convex, and the spire is not of considerable height.…
"In the genus Cassis the shell is oval, convex, and the spire is not of considerable height.…
"In the genus Cassis the shell is oval, convex, and the spire is not of considerable height.…
"In the genus Cassis the shell is oval, convex, and the spire is not of considerable height.…
"In the genus Cassis the shell is oval, convex, and the spire is not of considerable height.…
"There are some species which are chiefly found in the muddy bottoms, and more frequently at the mouths…
"There are some species which are chiefly found in the muddy bottoms, and more frequently at the mouths…
"There are some species which are chiefly found in the muddy bottoms, and more frequently at the mouths…
"In one genera [of the Octopodidae family] the arms are completely united in their whole extent…
"The genus Conus is especially rich in species, as well as numerous individuals. This group…
"The genus Conus is especially rich in species, as well as numerous individuals. This group…
"The genus Conus is especially rich in species, as well as numerous individuals. This group…
"The genus Conus is especially rich in species, as well as numerous individuals. This group…
"The anterior feet are about the length of the body. The other feet terminate in an elongated claw,…
"The Long-clawed Crab is remarkable for its long antennae, which considerably exceed the length of the…
"The Cowries are found at a little distance from the shore, generally in clefts of the rocky bottoms;…
"The Madagascar Cowry [is] beautifully marked, having the general appearance of being mammillated all…
"The Money Cowry is a little, oval shell, depressed, flat below, with very thick edges and slightly…
"The Granular Cowry [is] beautifully marked, having the general appearance of being mammillated all…
"The animal which inhabits these shells is elongated, and is provided with a well-developed mantle,…
"Among the cast number of species belonging to the Veneridae family, many are extremely rare, and much…
"Among the cast number of species belonging to the Veneridae family, many are extremely rare, and much…
"Among the cast number of species belonging to the Veneridae family, many are extremely rare, and much…
"The Monodonta are elegantly marked shells. Some curious specimens from this family come from…
"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…
"The snails are male and female in the same individual, or hermaphrodite. [This is] the favorite culinary…
"The Monodonta are elegantly marked shells. Some curious specimens from this family come from…
"The Monodonta are elegantly marked shells. Some curious specimens from this family come from…
A thin diaphanous shell in which species of the genus Limnaea live. They can be found in the fresh waters…
"The Common Calmar or Squid. They propel themselves backward through the water with great velocity,…
"The Common Calmar or Squid. They propel themselves backward through the water with great velocity,…
"Only six actually living species of the genus have been found; these inhabit the Indian Ocean, the…