 The best oysfcr beds are said to be level, and formed of the fine whitish sand, overlying the coral, in clear water. A mixture of mud or earthy substance with the sand is considered to be detrimental to the pearl ; and the beds having this defect are...  Transactions of the Bombay Geographical Society - 33 페이지저자: Bombay Geographical Society - 1868전체보기 - 도서 정보
 | George Smith, William Makepeace Thackeray - 1866 - 812 페이지
...Persian seas are level, and formed of fine whitish sand overlaying the coral in clear water. Any mixtuie of mud or earthy substance with the sand is considered to be detrimental to the pearl-fish, as at home it is thought to be to the edible oyster, and such beds as have this defect... | |
 | John Holmes Agnew, Walter Hilliard Bidwell - 1866 - 818 페이지
...the Persian seas are level, and formed of fine whitish sand overlaying the coral in clear water. Any mixture of mud or earthy substance with the sand is considered to be detrimental to the pearl fish, as it home it is thought to be to the edible oyster, and such beds as have this detect are liable... | |
 | Edward Balfour - 1873 - 1038 페이지
...or less sphericity of the pearl. The best oysfcr beds are said to be level, and formed of the fine whitish sand, overlying the coral, in clear water....exhaustion. It is to this cause that the Arabs of Bahrein attributed the exhaustion of the pearl beds on the coast of Sind and Ceylon ; while the beds of the... | |
 | Edward Balfour - 1873 - 1030 페이지
...or less sphericity of the pearl. The best oyster beds are said to be level, and formed of the fine whitish sand, overlying the coral, in clear water....substance with the sand is considered to be detrimental to 479 ГЕЛИ L. the pearl ; and tlie beds having this defect are ¡¡able to exhaustion. It in to this... | |
 | Edward Balfour - 1873 - 1038 페이지
...clear water. A mixture of mud or earthy substance with the sand is considered to be detrimental to 479 the pearl ; and the beds having this defect are liable...exhaustion. It is to this cause that the Arabs of Bahrein attributed the exhaustion of the pearl beds on the coast of Sind and Ceylon ; while the beds of the... | |
 | Edward Balfour - 1885 - 1224 페이지
...straight line, and the best beds are level and of white sand, overlying the coral in clear water ; and any mixture of mud or earthy substance with the sand is considered to be detrimental to the pearl mollusc. These banks are from 3 to 6 miles off shore, in 6 to 7 fathoms water. 400 boats of all sizes... | |
 | Edward Balfour - 1885 - 1210 페이지
...straight line, and the best beds are level and of white sand, overlying the coral in clear water ; and any mixture of mud or earthy substance with the sand is considered to be detrimental to the pearl mollusc. These banks are from 3 to 6 miles off shore, in 6 to 7 fathoms water. 400 boats of all sizes... | |
 | James Glass Bertram - 1885 - 392 페이지
...the Persian seas are level, and formed ot fine whitish sand overlaying the coral in clear water. Any mixture of mud or earthy substance with the sand is considered to be detrimental to the pearl-fish, as at home it is thought to be to the edible oyster, and such beds as have this defect... | |
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