1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
ANTHOZOA (i.e. "flower-animals"), the zoological name for a class of marine polyps forming " coral " (?.».). Although corals have been familiar objects since the days of antiquity, and the variety known as the precious red coral has been for a long time an article of commerce in the Mediterranean, it wasonly in the iSth century that their true nature and structure came to be understood. By the ancients and the earlier naturalists of the Christian era they were regarded either as petrifactions or as plants, and many…
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- Vol. 2, pp. 97-105