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Keywords from Image Description:
Illustrations of the conchology of Great Britain and Ireland Plate . PLATE XLIII Fig NERITINA fluviatilis Nehitina fluviatilis Lam Syst vi partie ii Nerita fluviatilis Mont Test Brit Broivn in Ency Brit vi Fig NERITOIDES littoralis Nebitoides littoralis Brown's MSS Nerita littoralis Moit Test Brit Broivn Ency Brit iv Fig