Lmbc Memoirs On Typical British Marine Plants And Animals (volume 2)

Paperback | January 17, 2012

byUniversity Of Liverpool. Oceanography

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This historic book may have numerous typos or missing text. Not indexed. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1899. Not illustrated. Excerpt: ... L.M.B.C. MEMOIRS. No. II. CARDIUM (the Cockle). BY JAMES JOHNSTONE, Fisheries Assistant, University College, Liverpool. The edible cockle (Cardium edule) is by far the commonest member of the genus Cardium, a group of eulamellibranchiate Mollusca having a world-wide distribution and containing a great number (about 200) of species. The number of British species is, however, limited to ten, most of winch (C. echinatum, C. fasciatum, C. edule, C. minimum, C. norvegicum, C. nodosum) are recorded as being present in the Irish Sea; of these the only abundant species is C. edule; C. norvegicum (Lcuvicardium) is fairly common, the others being only occasionally found. The different species seem to have a fairly well-marked bathymetrical range, but C. edule is found from between tide marks out to 1360 fathoms. Here and over the greater part of Europe C. edule is the only species of any economic importance; in Jersey, however, C. norvegicum is used for food, and in the Mediterranean various other species are eaten. The edible cockle is gregarious all along the coast line where suitable bottoms exist, but the great cockling beds £116j £LS & rule, found only in sheltered waters, in shallow bays, and at the mouths of estuaries. There is great constancy in the characters of the cockles from the various parts of the Lancashire and Cheshire coasts, no well-marked varieties being found. The difference in size observed in specimens from various parts of this district are most probably due to the extent to which the beds have been fished or disturbed in late years. Generally the influence of some fresh water seems to be favourable in that cockles are more abundant in the neighbourhood of the mouths of rivers, but the largest specimens are found only in areas far r...

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This historic book may have numerous typos or missing text. Not indexed. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1899. Not illustrated. Excerpt: ... L.M.B.C. MEMOIRS. No. II. CARDIUM (the Cockle). BY JAMES JOHNSTONE, Fisheries Assistant, University College, Liverpool. The edi...

Format:PaperbackDimensions:26 pages, 9.69 × 7.44 × 0.05 inPublished:January 17, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217858716

ISBN - 13:9780217858717

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