The dispersal of shells : an inquiry into the means of dispersal possessed by fresh-water and land Mollusca / by Harry Wallis Kew ; with a preface by Alfred Russel Wallace .. ; with illustrations.

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The dispersal of shells : an inquiry into the means of dispersal possessed by fresh-water and land Mollusca / by Harry Wallis Kew ; with a preface by Alfred Russel Wallace .. ; with illustrations. Public Domain Mark. Source: Wellcome Collection.