Coral

the name applied to the stony structures secreted by many of the actinozoa, and applied to the animals themselves. The coral of commerce is the production of various polyps, and is of different colors and internal structure The red, pink, and black sorts are the most highly prized. The coral fishery is carried on in various parts of the Mediterranean. The NP). 4 j CORAL. A, branch of Dendrophyllia; B, part of a stock of red coral, with (a) fully extended polyp and (b, b) two polyps, partly extended. coral is brought up from the bottom by means of net-work bags with wide meshes, attached to cro -beams of wood that are let down from a ve el by a line.