 Coral is never, therefore, the handiwork of the manyarmed polyps; for it is no more a result of labor than bone-making in ourselves. And again, it is not a collection of cells into which the coral animals may withdraw for concealment any more than the...  Corals and Coral Islands - 18 ページJames Dwight Dana 著 - 1890 - 440 ページ全文表示 - この書籍について
 | 1851 - 510 ページ
...an agglutination of grains made by the handywork of the manyarmed polyps: for it is no more an act of labor than bone-making in ourselves. And again,...is its house or cell : for every part of the coral of a polyp in most reef-making species is enclosed within the polyp, where it was formed by the secreting... | |
 | 1852 - 446 ページ
...an agglutination of grains made by the handiwork of the manyarmed polyps ; for it is no more an act of labor than bone-making in ourselves. And, again,...is its house or cell ; for every part of the coral of a polyp in most reef-making species is enclosed within the polyp, where it was formed by the secreting... | |
 | 1852 - 460 ページ
...an agglutination of grains made by the handiwork of the manyarmed polyps ; for it is no more an act of labor than bone-making in ourselves. And, again,...is its house or cell ; for every part of the coral of a polyp in most reef-making species is enclosed within the polyp, where it was formed by the secreting... | |
 | 1852 - 450 ページ
...an agglutination of grains made by the handiwork of the manyarmed polyps ; for it is no more an act of labor than bone-making in ourselves. And, again,...is its house or cell ; for every part of the coral of a polyp in most reef-making species is enclosed within the polyp, where it was formed by the secreting... | |
 | 1852 - 422 ページ
...agglutination of grains made by the handiwork of the many armed polyps ; for it is no more an act of labour than bone-making in ourselves. And, again, it is not...is its house or cell ; for every part of the coral of a polyp in most reef-making species is enclosed within the polyp where it was formed by the secreting... | |
 | 1852 - 386 ページ
...agglutination of grains made by the handiwork of the many armed polyps ; for it is no more an act of labour than bone-making in ourselves. And, again, it is not...is its house or cell ; for every part of the coral of a polyp in most reef-making species is enclosed within the polyp where it was formed by the secreting... | |
 | James Dwight Dana - 1853 - 152 ページ
...an agglutination of grains made by the handy work of the manyarmed polyps : for it is no more an act of labor than bone-making in ourselves. And again,...is its house or cell : for every part of the coral of a polyp in most reef-making species is enclosed within the polyp, where it was formed by the secreting... | |
 | Mordecai Cubitt Cooke - 1889 - 408 ページ
...is never, therefore, the handiwork of the many-armed polyps ; for it is no more the result of labour than bonemaking in ourselves. And again, it is not...is its house or cell; for every part of the coral of a polyp, in most reef-making species, is enclosed within the polyp, where it was formed by the secreting... | |
 | Daniel Coit Gilman - 1899 - 456 ページ
...bee, orthe hillock of a colony of ants. " Science, while it penetrates deeply the system of > z 8 i things about us, sees everywhere, in the dim limits...of a polyp, in most reefmaking species, is enclosed within the polyp, where it was formed by the secreting process." In 1853 Dana wrote the following letter... | |
 | Daniel Coit Gilman - 1899 - 450 ページ
...Throughout geological time they were the agents appointed to produce the material of limestones, and alscTTo make even the flint and many of the siliceous deposits...a dog is its house or cell; for every part of the coral—or corallum, as it is now called in science—of a polyp, in most reefmaking species, is enclosed... | |
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