 When these germs have reached the size of 30^th of an inch in diameter, there appears on each, near one end, a yellowish vitelluslooking mass or spot, which is composed of large yellowish cells, which in size and general aspect are different from those...  The American Journal of Science - Pàgina 621854Visualització completa - Sobre aquest llibre
 | American Academy of Arts and Sciences - 1857 - 440 pàgines
...are different from those constituting the germ proper. This yellow mass increases after this period, part passu with the germ, and at last lies like a cloud over and partially concealing one of its poles. I would, moreover, insist upon the point, that it does not gradually... | |
 | 1854 - 404 pàgines
...thence derived from the abdomen of the first parent. When these germs have reached the size of 30^th of an inch in diameter, there appears on each, near...unlike a true germinative vesicle or a proligerous disk. When the egg-like germs have attained the size of T i&th of an inch, there distinctly appears... | |
 | 1854 - 408 pàgines
...general aspect are different from those constituting the germ proper. This yellow mass increases pari passu with the germ, and at last lies like a cloud...unlike a true germinative vesicle or a proligerous disk. When the egg-like germs have attained the size of -ri^th of an inch, there distinctly appears... | |
 | 1854 - 518 pàgines
...general aspect are different from those constituting the germ proper. This yellow mass increases pari passu with the germ, and at last lies like a cloud...it does not extend itself gradually over the whole germ- mass, and is therefore quite unlike a true germinative vesicle or a proligerous disc. When the... | |
 | American Association for the Advancement of Science - 1856 - 344 pàgines
...general aspect are different from those constituting the germ proper. This yellow mass increases pari passu with the germ, and at last lies like a cloud...When the egg-like germs have attained the size of fa of an inch, there distinctly appears the sketching or marking out of the future animal. This sketching... | |
 | American Association for the Advancement of Science - 1856 - 354 pàgines
...general aspect are different from those constituting the germ proper. This yellow mass increases pari passu with the germ, and at last lies like a cloud...When the egg-like germs have attained the size of ^5 of an inch, there distinctly appears the sketching or marking out of the future animal. This sketching... | |
 | The American Academy of Arts and Sciences - 1857 - 432 pàgines
...different from those constituting the germ proper. This yellow mass increases after this period, pari passu with the germ, and at last lies like a cloud over and partially concealing one of its poles. I would, moreover, insist upon the point, that it does not gradually... | |
 | American Academy of Arts and Sciences - 1857 - 426 pàgines
...different from those constituting the germ proper. This yellow mass increases after this period, paripassu with the germ, and at last lies like a cloud over and partially concealing one of its poles. I would, moreover, insist upon the point, that it does not gradually... | |
 | Carl Th. Ernst Siebold - 1874 - 470 pàgines
...different from those constituting the gena proper. This yellow mass increases after this period, pari passu with the germ, and at last lies like a cloud over and partially concealing one of its poles. I would, moreover, insist upon the point that it does not gradually... | |
 | Boston Society of Natural History - 1854 - 444 pàgines
...different from those constituting the germ proper. This yellow mass increases after this period, pari passu with the germ, and, at last, lies like a cloud over and partially concealing one of its poles. I would, moreover, insist upon the point that it does not gradually... | |
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