803704
9780660000220
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A complete field guide and laboratory manual for shell collectors, with descriptions and lovely watercolour illustrations of every species of freshwater mollusc found in Canada. Clarke's identification keys and descriptions are extremely useful identification tools. Clarke also deals with mollusc ecology and our relationship to molluscs. 1981Clarke, Arthur H. is the author of 'Freshwater Molluscs of Canada' with ISBN 9780660000220 and ISBN 0660000229.
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