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Keywords from Image Description:
Illustrations of the conchology of Great Britain and Ireland Plate . PLATE XLII Fig LYMNiEA stagnalis LYMNiEA stagnalis Lam Syst vi partie Lymneus stagnalis Drnp Moll pi fig Helix stagnalisj Mont Test Brit Brown in Ency Brit vi Fig and Young shells Fig LYMN fragilis Lymn fragilis Brown's MSS Helix fragilis Mont Test