 The examination of a coral reef, during the different stages of one tide, is particularly interesting. When the tide has left it for some time, it becomes dry, and appears to be a compact rock, exceedingly hard and...  The Quarterly Review - Página 314editado por - 1818Vista completa - Acerca de este libro
 | David Page - 1849 - 372 páginas
...has left the rock tor some time dry, it appears to be a compact m;iss, exceedingly hard and rugged ; but as the tide rises, and the waves begin to wash over it, the polypi protrude themselves 811. Describe the diagram. 812 What of deep and shallow water ? 813. What... | |
 | Frances Osborne - 1850 - 344 páginas
...reefs during the different stages of one tide, and gives the following description as the result: —' When the tide has left it for some time, it be-"comes...appears to be a compact rock, exceedingly hard and rugged; but as the tide rises, and the waves begin to wash over it, the coral worms protrude themselves... | |
 | James Montgomery - 1850 - 402 páginas
...When the tide has left it for some time it beeomes dry, and appears to be a eompaet roek, exeeedingly hard and ragged ; but as the tide rises, and the waves begin to wash over it, the eoral worms protrude themselves from holes whieh before were invisible. These animals are of a great... | |
 | 1850 - 498 páginas
...prolific in curious shells, that when the sea has left a reef for some time between the tides, it becoinea dry, and appears to be a compact rock, exceedingly hard and ragged. But no sooner docs the tide rise again, and the waves begin to wash over it, than millions of worms protrude... | |
 | Frances Osborne - 1851 - 332 páginas
...reefs during the different stages of one tide, and gives the following description as the result: —' When the tide has left it for some time, it becomes...appears to be a compact rock, exceedingly hard and rugged; but as the tide rises, and the waves begin to wash over it, the coral worms protrude themselves... | |
 | Henry Theodore Cheever - 1851 - 382 páginas
...most prolific in curious shells, that when the sea has left a reef for some time between the tides, it becomes dry, and appears to be a compact rock, exceedingly hard and ragged. But no sooner does the tide rise again, and the waves begin to wash over it, than millions of worms protrude... | |
 | Henry Theodore Cheever - 1851 - 346 páginas
...most prolific in curious shells, that when the sea has left a reef for some time between the tides, it becomes dry, and appears to be a compact rock, exceedingly hard and ragged. But no sooner does the tide rise again, and the waves begin to wash over it, than millions of worms protrude... | |
 | Fanny Osborne - 1852 - 394 páginas
...during the different stages of one tide, and gives the following description as the result : — ' When the tide has left it for some time, it becomes...appears to be a compact rock, exceedingly hard and rugged ; but as the tide rises, and the waves begin to wash over it, the coral worms protrude themselves... | |
 | A. R. Phippen - 1854 - 472 páginas
...Captain Basil Hall, in his "Voyage to Loo-Choo," makes the following observations on coral islands: "The examination of a coral reef during the different...of one tide is particularly interesting. When the sea has left it for some time, it becomes dry, and appears to be a compact rock, exceedingly hard and... | |
 | George William Fitch - 1856 - 280 páginas
...examination of a coral reef during the different stages of one tide is particularly interesting. When the sea has left it for some time, it becomes dry, and appears...be a compact rock exceedingly hard and ragged ; but no sooner does the tide rise again, and the waves begin to wash over it, than millions of coral worms... | |
| |
