 | 1851 - Počet stránok 510
...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, it is not...and the more familiar term corallum has been used instead.f With this introductory explanation, we proceed. a. Structure of Coral Animals or Polyps.... | |
 | 1852 - Počet stránok 446
...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, it is not...should be thoroughly understood, and fully appreciated. The reproduction of coral by buds is a process so similar to the production of buds in vegetation,... | |
 | 1852 - Počet stránok 386
...understood. Some writers, scouting the idea that reefs of rocks can be due in any way to "animalcules," talk of electrical forces, the first and the last...and the more familiar term corallum has been used instead. t With this introductory explanation we proceed. a. Structure of Coral Animals or Polyps.... | |
 | 1852 - Počet stránok 460
...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, it is not...should be thoroughly understood, and fully appreciated. The reproduction of coral by buds is a process so similar to the production of buds in vegetation,... | |
 | 1852 - Počet stránok 450
...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, it is not...should be thoroughly understood, and fully appreciated. The reproduction of coral by buds is a process so similar to the production of buds in vegetation,... | |
 | James Dwight Dana - 1853 - Počet stránok 152
...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, it is not...his volume on Zoophytes, and the more familiar term comllum has been used instead.! With this introductory explanation, we proceed. a. Structure of Coral... | |
 | James Dwight Dana - 1872 - Počet stránok 430
...its house or cell ; for every part of the coral — or corallum as it is now called in science — of a polyp, in most reef-making species, is enclosed...where it was formed by the secreting process. It is not, perhaps, within the sphere of science to criticise the poet. Yet we may say in this place, in... | |
 | James Dwight Dana - 1890 - Počet stránok 476
...called in science — of a polyp, in most reef-making species, is enclosed more or less completely within the polyp, where it was formed by the secreting process. It is not, perhaps, within the sphere of science to criticise the poet. Yet we may say in this place, in... | |
 | Daniel Coit Gilman - 1899 - Počet stránok 456
...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...polyp, where it was formed by the secreting process." In 1853 Dana wrote the following letter to Norton's Literary Gazette: LIFE OF JAMES DWIGHT DANA FROM... | |
 | Daniel Coit Gilman - 1899 - Počet stránok 450
...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 within...polyp, where it was formed by the secreting process.'' In 1853 Dana wrote the following letter to Norton's Literary Gazette: LIFE OF JAMES DWIGHT DANA FROM... | |
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Coral is never, therefore, 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, it is not a collection of cells into which the coral animals may withdraw... 