 | United States. Congress. Senate - 1852 - 624 sider
...basis of a Macandrina, measuring less than two feet in diameter, we have counted not less than fifty holes of the date-fish — some large enough to admit...they appear at last completely rotten throughout. * * » » * * • Skip Channel. The broad channel extending the whole range of the reef, between the... | |
 | James Dwight Dana - 1872 - 430 sider
...fifty holes of the date-fish — some large enough to admit a finger — besides hundreds of small ones made by worms. But however efficient these boring...directions, until they appear at last completely rotten through." On the other hand Serpulas and certain kinds of barnacles (of the genus Creusja, etc.) penetrate... | |
 | James Macfadzean - 1883 - 188 sider
...fifty holes of the date-fish — some large enough to admit a finger— besides hundreds of small ones made by worms. But however efficient these boring...directions, until they appear at last completely rotten through." [Oana.] Here we have examples of the existing checks to the growth of coral reefs ; and a... | |
 | Mordecai Cubitt Cooke - 1889 - 408 sider
...fifty holes of the date-fish—some large enough to admit a finger —beside hundreds of small ones made by worms. But however efficient these boring...directions, until they appear at last completely rotten through." l Yet the coral animals would seem to contribute themselves a little protection from their... | |
 | James Dwight Dana - 1890 - 476 sider
...fifty holes of the date-fish — some large enough to admit a finger — besides hundreds of small ones made by worms. But however efficient these boring animals may be in preparing the coral steins for decay, there is yet another agent, perhaps still more destructive We allude to the minute... | |
 | James D. Dana - 1899 - 474 sider
...fifty holes of the date-fish — some large enough to admit a finger — besides hundreds of small ones made by worms. But however efficient these boring animals may be in preparing the coral steins for decay, there is yet another agent, perhaps still more destructive. We allude to the minute... | |
 | United States. Congress. House - 606 sider
...holes of the date-fish — some large enough to admit a finger — besides hundreds of small hole* made by worms. But however efficient these boring...Ship Channel, The broad channel extending the whole razige of the reef, between the main keys and the outer reef, is rather uniform, having the same width... | |
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... made by worms. But however efficient these boring animals may be in preparing the coral stems for decay, there is yet another agent, perhaps still more destructive. We allude to the minute boring-sponges, which penetrate them in all directions, until... 