 | 1879 - 698 Seiten
...Most of the steps in this wonderful process may he watched under the microscope, and owing to the case with which the eggs of the oyster may be obtained,...egg to study. About fifteen minutes after the eggs arc fertilized, they will be found to be covered with male cells, as shown in Figure 51. In about an... | |
 | Ernest Ingersoll - 1881 - 302 Seiten
...organism like that from whose body the egg came. Most of the steps in this wonderful process may bo watched under the microscope, and owing to the ease...they will be found to be covered with male cells, as shown in Figure 51. In about an hour the egg will be found to have changed its shape and appearance.... | |
 | Ernest Ingersoll - 1881 - 306 Seiten
...dividing up into cells, which shall shape themselves into a new organism like that from whoso body the egg came. Most of the steps in this wonderful process may be watched under tho microscope, and owing to the ease with which the eggs of the oyster may be obtained, this is a... | |
 | New Jersey. Bureau of Industrial Statistics - 1882 - 468 Seiten
...dividing up into cells, which shall shape themselves into a new organism like that from whose body the egg came. Most of the steps in this wonderful process...they will be found to be covered with male cells, as shown in Fig. 51. In about an hour the egg will be found to have changed its shape and appearance.... | |
 | William Keith Brooks - 1882 - 444 Seiten
...eggs of other lamellibranchs. FIG. 160. — Egg about thirty minutes after fertilization. Fio. 160. About fifteen minutes after the eggs are fertilized,...they will be found to be covered with male cells, as shown in Fig. 159. In about an hour the egg will be found to have changed its shape and appearance.... | |
 | United States National Museum - 1884 - 686 Seiten
...dividing up into cells, which shall shape themselves into a new organism like that from whose body the egg came. Most of the steps in this wonderful process...which the eggs of the oyster may be obtained, this a very good egg to study. "About fifteen minutes after the eggs are fertilized they will be found to... | |
 | William Keith Brooks - 1891 - 284 Seiten
...dividing up into cells, which shall shape themselves into a new organism like that from whose body the egg came. Most of the steps in this wonderful process...About fifteen minutes after the eggs are fertilized, Plate IV, Fig. i, they will be found to be covered with male cells. In about an hour the egg will be... | |
 | Henry Frank Moore - 1897 - 128 Seiten
...dividing up into cells, which shall shape themselves into a new organism like that from whose body the egg came. Most of the steps in this wonderful process...be obtained this is a very good egg to study. About 15 minutes after the eggs are fertilized they will be fonud to be covered with male cells, as shown... | |
 | United States. Bureau of Fisheries - 1900 - 532 Seiten
...the ease with which the eggs of the oyster may be obtained this is a very good egg to stndy. About 15 minutes after the eggs are fertilized they will be found to be covered with male cells, as shown in plate vn, fig. 1.* In about an hour the egg will be found to have changed its shape anil... | |
 | Caswell Grave - 1904 - 128 Seiten
...dividing up into cells, which shall shape themselves into a new organism like that from whose body the egg came. Most of the steps in this wonderful process...obtained, this is a very good egg to study. About 15 minutes after the eggs are fertilized they will be found to be covered with male cells, as shown... | |
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... they differ from the ordinary cells only in being much larger and more distinct from each other ; and they have the power, when detached from the body, of growing and dividing up into cells, which shall shape themselves into a new organism like that... 