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 308by New Jersey. Bureau of Industrial Statistics - 1882Full view - About this book
| 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... | |
| 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,... | |
| 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... | |
| 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.... | |
| 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... | |
| 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... | |
| 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... | |
| 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,... | |
| 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... | |
| 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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