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Keywords from Image Description:
Die land und ssswasser Conchylien der Vorwelt . ftsz ii Schlotterbecl Tlzx arbusiorum tgjnisj ad vor alpicola fiitticum Mll ru fesc ens Pairu jtclosa Ttzrc ua Sand ' sericea Drajc Ivisficdoj var major ead vccr media ead var Tnirwr hidens Chemrv vccr mitwr ' costu Xitql IS Nilssoniana Beck sw Vv Kreiiels Verlag