a process with such immense possibilities of matters. Around and under the base of the polyp Reef of Australia. They may also produce coral isl- multiplication, a large area can be rapidly built up. a very thin layer of lime is now secreted by the activ- ands, frequently occupied in the middle by… … coral—polyps col- not separate from A Portion of the Mature Coral (Siderastrea onized along the the parent polyp, radians) Enlarged. passiflora), shores of an isl- but remain and a Sea Anemone. Four cxpanded polyps (one partly contracted) are shown 3 and to form give rise to buds also a polyp in…
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![An illustration from Nomenclator aquatilium animantium : Icones animalium in mari et dulcibus aquis degentium plus quam DCC. cum nomenclaturis singulorum Latinis, Graecis, Italicis, Hispanicis, Gallicis, Germanicis, Anglicis, alijsq́[ue] interdum, per certos ordines digestae ... (1606)](https://img.insideoutlibrary.com/img/200/ia-Nomenclatoraquatili00Gess-227-0.webp)
