 | 1847 - 584 pages
...of Mr. Darwin than from the less copious though more popular exposition of Dr. Nichol. Our readers no doubt are aware that the coral rocks which form islands and reefs hundreds of miles in length, are built by small animals called polypes,! that secrete from the lower portion of their body... | |
 | John Holmes Agnew, Walter Hilliard Bidwell - 1847 - 606 pages
...of Mr. Darwin than from the less copious though more popular exposition of Dr. Nichol. Our readers no doubt are aware that the coral rocks which form islands and reefs hundreds of miles in length, are built by small animals called polypes,! that secrete from the lower portion of their body... | |
 | Henry Theodore Cheever - 1851 - 382 pages
...a recent article from the North British Review, by Sir David Brewster, he says : — " Our readers, no doubt, are aware that the coral rocks which form...miles in extent, are built by small animals, called polypus, that secrete, from the lower portion of their body, a large quantity of carbonate of lime... | |
 | Joel Tyler Headley, J. T. Headley - 1855 - 356 pages
...recent article, copied into the Eclectic from the North British Review, he says : — " Our readers, no doubt, are aware that the coral rocks, which form...miles in extent, are built by small animals, called polypus, that secrete, from the lower portion of their body, a large quantity of carbonate of lime... | |
 | Henry Theodore Cheever - 1856 - 372 pages
...recent article from the North British Eeview, by Sir David Brewster, he says : — •" Our readers, no doubt, are aware that the coral rocks which form...miles in extent, are built by small animals, called polypus, that secrete, from the lower portion of their body, a large quantity of carbonate of lime... | |
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... that secrete, from the lower portion of their body, a large quantity of carbonate of lime ; which, when diffused around the body, and deposited between the folds of its abdominal coats, constitute a cell, or polypidom, or polypary, into the hollow... 