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Syd for Dokkedal
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Fønstrup Dam, Nødebo, Hillerød, Danmark
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Ørn Sø, Silkeborg, Danmark
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Gudenå opstrøms Klostermølle, Jylland, Danmark
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Ørn Sø, Silkeborg, Danmark
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Fröslunda Mossa Öland
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Gadevangsrenden
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Ravnkilde ved Rebild Bakker, Jylland, Danmark
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Øster Hurup
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Aqua Silkeborg
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Lendrup S.f. Løgstør, Danmark
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Danmarks Akvarium
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Kvinnherad, Hordaland, Norge
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Hampen Sø
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Ørn Sø, Silkeborg, Danmark
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Tube worms (Riftia pachyptila) at a Pacific hydrothermal vent
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Galeolaria aurantiaca (Vogt.).
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Polycirrus exinius.
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Clymenella torquata.
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Polydora (Leucodore) ciliata, with ova (1) : Young larvae of Polydora from a photomicrograph (2), Older stages (3-4), Somewhat more advanced (5-9), Egg-cases of polydora (10).
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Seed scallops, with a small amount of white worm tube (Serpula) attached to the shell. These scallkops have not yet spawned, and, for the future welfare of the scallop fishery, should be protected until they have passed the spawning period, which occurs when the scallop is one year old. The capture of these immature scallops is a decided menace to the fishery, and is forbidden by law.
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Siphostoma fuscum (The Pipe-Fish).. fig. 19Young embryo, in which the tail is still archicereal and the dorsal and pectoral fins are just developing. fig.20 a still younger stage, in which the tail is just beginning to grow out. fig.21 an older stage, i
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Cirratulus grandis.