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A monograph of the British marine annelids XLVI. Plate text Syllis prolifera Krohn Castalia punctata Nereimyra punctata Mller Hesionidae Castalia fusca Psamathe fusca Johnston Hesionidae biodiversitylibrary org page McIntosh other versions PDold monograph of the British marine annelids Syllis prolifera Nereimyra punctata