. Beautiful shells : their nature, structure, and uses familiarly explained : with directions for collecting, cleaning, and arranging them in the cabinet and descriptions of the most remarkable species. Shells; Shells. Classification of Shells, 21 two tliousand five hundred have been described and classified; the varieties_, more or less distinct^ are almost countless. Of shells found on and about the British Isles^ there are about five hundred and fifty species, or, we should rather say were, for dili- gent inquirers into this branch of Natural History are almost daily adding to the number. W
. Beautiful shells : their nature, structure, and uses familiarly explained : with directions for collecting, cleaning, and arranging them in the cabinet and descriptions of the most remarkable species. Shells; Shells. Classification of Shells, 21 two tliousand five hundred have been described and classified; the varieties_, more or less distinct^ are almost countless. Of shells found on and about the British Isles^ there are about five hundred and fifty species, or, we should rather say were, for dili- gent inquirers into this branch of Natural History are almost daily adding to the number. We have already seen thafc shells are sometimes called Crystalline, and sometimes Granularj in accordance with certain peculiarities of construction before mentioned: this is one mode of division. There are several others made use of in different systems of arrangement, which only a deeper study of the subject than can be here entered upon would enable one to understand; the plainest and most common, however, is that which has reference to the form of the shell, which is one of these— UXIVAXVE. Whelk. BIVALVE. Mussel. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Adams, H. G. (Henry Gardiner), 1811 or 12-1881; Berry, S. Stillman (Samuel Stillman), 1887-1984, former owner. DSI; Roper, Clyde F. E. , 1937- , donor. DSI. London : Groombridge and Sons
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