. Beautiful shells : their nature, structure, and uses familiarly explained, with directions for collecting, cleaning, and arranging them in the cabinet : descriptions of the most remarkable species, and of the creatures which inhabit them : and explanations of the meanings of their scientific names, and of the terms used in conchology. Shells; Shells; Mollusks. FRESn-WATEE SHELLS. 25 often found in cleop clear ditches, and yields a beautiful purple dye, which, however, soon becomes dull, and changes; it cannot be fixed, and is therefore valueless. The mouth of this shell in fine specimens, is
. Beautiful shells : their nature, structure, and uses familiarly explained, with directions for collecting, cleaning, and arranging them in the cabinet : descriptions of the most remarkable species, and of the creatures which inhabit them : and explanations of the meanings of their scientific names, and of the terms used in conchology. Shells; Shells; Mollusks. FRESn-WATEE SHELLS. 25 often found in cleop clear ditches, and yields a beautiful purple dye, which, however, soon becomes dull, and changes; it cannot be fixed, and is therefore valueless. The mouth of this shell in fine specimens, is tinged with pale violet or lilac. There is another kind, the Keeled Planorbis, fP. lurinatnsj which has the outer edge of the shell finely ridged, or keeled; it is very small, and very plentiful in fresh-water, both running and stagnant; where, too, is found the Common Physa, (P. fon- tinalisj the latter word meaning a spring or fountain. This little mollusk is a quick and active traveller, it sometimes comes out of its shell, and throws itself about in an extra- ordinaiy way, keeping fast hold by its foot; the generic name, Phjna, would seem to have reference to the round, smooth, delicate shell, and to come from the same root as Phjsalite, which means a topaz: the members of this genus are very numerous, being found nearly all over the globe. The next. belongs to the family Aurmdaclce, or Ear Shells. The Midas Ear, [A. Midcd:) this handsome shell is prized by collectors; it comes from the East Indies. Midas, it is said, was one who set himself up for a judge of music in the old fabulous times, and not appreciating that of Apollo, was rewarded by the angry god with a pair of ass's ears. The Cone-shaped Melampus, /^M. coniiformisj also an Ear Shell, is found in the rivers of the Antilles Islands. It is, a pretty shell; the formation is much the same as that of many of the most highly-prized varieties of Marine Shells; of these we shall have to speak presently. Melcm2)odium in
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Keywords: ., bookcentury1800, bookdeca, booksubjectmollusks, booksubjectshells
