The Magazine of Natural History, 第 2 卷Longman, Rees, Orme, Brown, and Green, 1829 |
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第 1 到 5 筆結果,共 99 筆
第 2 頁
... nearly similar to what he afterwards discovered in the pollen of plants ; and he considers these internal particles to be in both cases the real fecundising agents . The succeeding twenty- four pages contain his discovery of the action ...
... nearly similar to what he afterwards discovered in the pollen of plants ; and he considers these internal particles to be in both cases the real fecundising agents . The succeeding twenty- four pages contain his discovery of the action ...
第 4 頁
... nearly an hour in many of the grains ; others ejected the whole of their particles in less than a minute . The pollen of a hollyhock , which had been between the plates of mica in the slider of a microscope at least fifty years ...
... nearly an hour in many of the grains ; others ejected the whole of their particles in less than a minute . The pollen of a hollyhock , which had been between the plates of mica in the slider of a microscope at least fifty years ...
第 5 頁
stantly from a cylindrical to a nearly globular form . Some of the grains which lay beyond the edge of the water being unchanged , gave me the opportunity of comparing them in these two forms . Frequently a transparent globule of con ...
stantly from a cylindrical to a nearly globular form . Some of the grains which lay beyond the edge of the water being unchanged , gave me the opportunity of comparing them in these two forms . Frequently a transparent globule of con ...
第 9 頁
... nearly they resemble ourselves . There was a restless , tormenting , and agile creature on board a vessel in which I sailed up an African river , who was incessantly teasing and hovering about me . If I called another , he was sure to ...
... nearly they resemble ourselves . There was a restless , tormenting , and agile creature on board a vessel in which I sailed up an African river , who was incessantly teasing and hovering about me . If I called another , he was sure to ...
第 18 頁
... nearly with those of the house swallows . If the exact order in which our British species arrive be required to be stated , I should arrange it thus , sand marten , house swallow , house marten , swift . TABLE showing the earliest and ...
... nearly with those of the house swallows . If the exact order in which our British species arrive be required to be stated , I should arrange it thus , sand marten , house swallow , house marten , swift . TABLE showing the earliest and ...
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