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" American oyster reaches this stage in from twenty-four hours to six days after the egg is fertilized, the rate of development being determined mainly "by the temperature of the water. Soon after the mantle has become connected with the stomach this becomes... "
Annual Report - Page 308
by New Jersey. Bureau of Industrial Statistics - 1882
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The Oyster-industry

Ernest Ingersoll - 1881 - 302 lehte
...its parent. The. American oyster reaches this stage in from twenty-four honrs to six days after the egg is fertilized ; the rate of development being...which connects the anus with the stomach lengthens aud forms the intestine, aud, soon after, the sides of the stomach become folded off to form the two...
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The Oyster Industry

Ernest Ingersoll - 1881 - 306 lehte
...its parent. The American oyster reaches this stage in from twenty -four hours to six days after the egg is fertilized ; the rate of development being...behind the mantle, and a second opening, the anus, is forred. The tract which connects the anus with tho stomach lengthens and forms tbo intestine, and,...
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Handbook of Invertebrate Zoology: For Laboratories and Seaside Work

William Keith Brooks - 1882 - 444 lehte
...I. Liver. s. Shell. Other letters as in Fig. 171. from twenty-four hours to six days after the eg<r is fertilized ; the rate of development being determined...the body wall at another point a little behind the mouth, and a second opening, the anus (Fig. 171 and 172, an), is formed. The tract which connects the...
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Handbook of Invertebrate Zoology: For Laboratories and Seaside Work

William Keith Brooks - 1882 - 410 lehte
...Muscles. 1. Liver. s. Shell. Other letters as in Fig. 171. from twenty-four hours to six days after the egg is fertilized ; the rate of development being...stomach, this becomes united to the body wall at another f point a little behind the mouth, and a second opening, the anus (Fig. 171 and 172, an), is formed....
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Bulletin of the United States National Museum

United States National Museum - 1884 - 686 lehte
...its parent. The American oyster reaches this stage in from twenty-four hours to six days after the egg is fertilized, the rate of development being determined...connected with the stomach this becomes united to the body-wall at another point a little behind the mantle, and a second opening, the anus, is formed. The...
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The Oyster: A Popular Summary of a Scientific Study

William Keith Brooks - 1891 - 284 lehte
...scarcely larger than the unfertilized egg, but it now begins to increase in size. Soon after the mouth has become connected with the stomach this becomes...the body wall at another point a little behind the mouth, and a second opening, the anus, is formed. The tract which connects the anus with the stomach...
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Maryland, Its Resources, Industries and Institutions: Prepared for the Board ...

Maryland. Board of World's Fair Managers - 1893 - 616 lehte
...scarcely larger than the unfertilized egg, but it now begins to increase in size. Soon after the mouth has become connected with the stomach this becomes...the body wall at another point a little behind the mouth, and a second opening, the anus, is formed. The tract which connects the anus with the stomach...
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Oysters and Methods of Oyster-culture with Notes on Clam-culture

Henry Frank Moore - 1897 - 128 lehte
...its parent. The American oyster reaches this stage in from twenty-four lumps to six days after the egg is fertilized, the rate of development being determined...little behind the mantle, and a second opening, the IHIIIK, is formed. . The tract, which connects the anus with the stomach, lengthens and forms the intestine,...
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A Manual of Fish-culture: Based on the Methods of the United States ...

United States. Bureau of Fisheries - 1900 - 532 lehte
...its parent. The American oyster reaches this stage in from twenty-fonr hours to six days after the egg is fertilized, the rate of development being determined...another point a little behind the mantle, and a second opem'ng, the anitt, is formed. The tract, which connects the annt with the stomach, lengthens and forms...
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Report on the Condition of the Sea Fisheries of the South Coast of ..., 29. osa

United States. Bureau of Fisheries - 1905 - 614 lehte
...its parent. The American oyster reaches this stage in from twenty-four hours to six days after the egg is fertilized, the rate of development being determined...mantle has become connected with the stomach this Incomes united to the body wall at another point a little behind the mantle, and a second opening,...
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