 The sea water and the ordinary food of the polyps are evidently the source from which the ingredients of coral are obtained. The same powers of elaboration which exist in other animals belong to polyps, for this function, as has been remarked, is the...  On Coral Reefs and Islands - Page 57by James Dwight Dana - 1853 - 143 pagesFull view - About this book
 | Science - 1852 - 422 pages
...Antipathi) were found by Hatchett to have nearly the constitution of ordinary horn.J The sea-water and the ordinary food of the polyps are evidently...approached. The same powers of elaboration which exist * Report on Zoophytes, p. 713. On page 711, it is suggested by the author that the high degree of hardness,... | |
 | Science - 1852 - 386 pages
...Antipathi) were found by Hatchett to have nearly the constitution of ordinary horn.J The sea-water and the ordinary food of the polyps are evidently...approached. The same powers of elaboration which exist * Report on Zoophytes, p. 713. On page 711, it is suggested by the author that the high degree of hardness,... | |
 | James Dwight Dana - Coral reefs and islands - 1872 - 430 pages
...ordinary food of the polyps, are evidently the sources from which the ingredients of coral are obtained. The same powers of elaboration which exist in other animals belong to polyps ; for this function, as has been remarked, is the lowest attribute of vitality. Neither is it at all necessary to inquire whether... | |
 | Royal Society of Edinburgh - Science - 1889 - 630 pages
...ordinary food of the polyps are evidently the source from which the ingredients of coral are obtained. The same powers of elaboration which exist in other animals belong to polyps, for this function, as has been remarked, is the lowest attribute of vitality. Neither is it at all necessary to inquire whether... | |
 | James D. Dana - 1899 - 474 pages
...ordinary food of the polyps, are evidently the sources from which the ingredients of coral are obtained. The same powers of elaboration which exist in other animals belong to polyps ; for this function^ as has been remarked, is the lowest attribute of vitality. Neither is it at all necessary to inquire whether... | |
 | Royal College of Physicians of Edinburgh. Laboratory - Anatomy - 1889 - 280 pages
...ordinary food of the polyps are evidently the source from which the ingredients of coral are obtained. The same powers of elaboration which exist in other animals belong to polyps, for this function, as has been remarked, is the lowest attribute of vitality. Neither is it at all necessary to inquire whether... | |
 | Thomas Milner - Science - 1857 - 474 pages
...with some earthy ingredients, amounting in certain species to two parts, though often less than one. The horny corals (axes of gorgonise and antipathi)...to polyps; for this function, as we have remarked, 19 the lowest attribute of vitality. There are four different kinds of coral formations in the Pacific... | |
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