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Animals - 612253 A star-coral - Astraea
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Animals - 612253 Development stages of astroides calycularis
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Animals - 612254 A brain-coral
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Animals - 612254 A horny coral - Antipathes arborea
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Animals - 612254 Three mouths with tentacles and dividing walls of brain-coral
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Animals - 612256 An alcyonarian coral - Alcyonium
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Animals - 612257 A sea-pen - Pteroides spinosa
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Animals - 612258 Umbellula encrinus
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Animals - 612258 Umbellula thomsoni
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Animals - 612259 A sea-fan - Gorgonia verrucosa - with a shark s egg fixed to its branches
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Animals - 612260 Corkscrew sea-fan - Streptocaulus pulcherrimus
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Animals - 612261 Organ-pipe coral - Tubipora
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Animals - 612261 Red coral
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Animals - 612261 Structure of organ-pipe coral
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Animals - 612264 Island with fringing- and barrier-reefs
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Animals - 612265 Coral-island or atoll
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Animals - 612266 Section through a coral-reef
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Animals - 612268 Diagram explaining theory of subsidence
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Animals - 612268 Outline of the island of Aiva with projected section
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Animals - 612269 Mouths of madrepore
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Animals - 612270 Bread-crumb sponge
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Animals - 612271 Flagellated chamber of bread-crumb and fresh-water sponges
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Animals - 612272 Sponges growing on seaweed
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Animals - 612274 Carpenter s glass-sponge - Pheronema
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