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The state of preservation of the different species differed much; but most of them were much corroded, brittle, and bleached: the upper and lower surfaces of the Concholepas had generally quite scaled off: some of the Trochi and Fissurellae still partially retain their colours.
Almost all the leaves, excepting those that float on the surface, are so thickly incrusted with corallines as to be of a white colour. We find exquisitely delicate structures, some inhabited by simple hydra-like polypi, others by more organised kinds, and beautiful compound Ascidiae. On the leaves, also, various patelliform shells, Trochi, uncovered molluscs, and some bivalves are attached.
Almost all the leaves, excepting those that float on the surface, are so thickly incrusted with corallines as to be of a white colour. We find exquisitely delicate structures, some inhabited by simple hydra-like polypi, others by more organized kinds, and beautiful compound Ascidiae. On the leaves, also, various patelliform shells, Trochi, uncovered molluscs, and some bivalves are attached.
The museum comprehended an infinite number of medals, coins, urns, utensils, seals, cameos, intaglios, precious stones, vessels of agate and jasper, crystals, spars, fossils, metals, minerals, ore, earths, sands, salts, bitumens, sulphurs, ambergrise, talcs, mirre, testacea, corals, sponges, echini, echenites, asteri, trochi, crustatia, stellae marine, fishes, birds, eggs and nests, vipers, serpents, quadrupeds, insects, human calculi, anatomical preparations, seeds, gums, roots, dried plants, pictures, drawings, and mathematical instruments.
These shells obviously had a very much more ancient appearance than those from the lesser heights; the apices of the Trochi were often worn down; the little holes made by burrowing animals were greatly enlarged; and the Concholepas was often perforated quite through, owing to the inner plates of shell having scaled off.
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