The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . environs of Paris, and one in the London clay at Hordwell.] Vvluta, Lam., has an ampleaperture, and a columella marked with some large plaits, of which the inferior is the strongest. Their spire variesmuch in its prominence. Some {Cymbium, Montf.; Ci/mba, Sowerb.) have the last whorl ventricose: their animalhas a large, thick, fleshy foot, without an operculum; and over the head a veil, at the sides of which the tentaculaissue. The eyes are seated on this vei
The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy . environs of Paris, and one in the London clay at Hordwell.] Vvluta, Lam., has an ampleaperture, and a columella marked with some large plaits, of which the inferior is the strongest. Their spire variesmuch in its prominence. Some {Cymbium, Montf.; Ci/mba, Sowerb.) have the last whorl ventricose: their animalhas a large, thick, fleshy foot, without an operculum; and over the head a veil, at the sides of which the tentaculaissue. The eyes are seated on this veil, exterior to the tentacula. The proboscis is of considerable length, and thesyphon has an appendage on each side of its base. The shells attain a great size, and several are very beautiful.[ The shells are ventricose, light, and buoyant, floating when placed upon their backs on water, and having whenso placed a boat-like appearance. Their apex is rude, and without regularity of shape. They are sombre, and,for the most part, uniform iu colour. They are covered with a smooth brown epidermis, which is, again, more or 364 general willi cancci- Icss coated with a vitreous covering or enamel-like glaze, probably secreted by tlie mantle. The columella isuniformly curved, and it is believed that none of the species have hitherto been found in the New World.—Broderip.] [The Melo, liroderip, resembles Cyniba ; but its apex, instead of being shapeless and rude, takes awell-fashioned and spirally-marked form. The colouring of the shell is also more elegant and vivid.] Others(Valuta, Montf.) have the last whorl conoid, narrowing at the end opposed to the spire. Tlie foot is less than inthe preceding genus. Tlieir shells are often very remarkable for the beauty of the colours and patterns which arepainted on their surface. [There is reason to believe that the genera Cyniba, Melo, and Voluta, are viviparous.]Marguiella, Lam., with the form of the Voluta, has the outer lip thick
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Keywords: ., bookauthorwe, bookcentury1800, bookdecade1840, booksubjectanimals
