Science, Том 14John Michels (Journalist) American Association for the Advancement of Science, 1889 |
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Стр. 91
... Color of Seed in Relation to Sprouting . Color may be assumed to indicate , in most cases , some vital character of the seed , as determined by various causes . In one species , or even in one individual sample , it may indicate a ...
... Color of Seed in Relation to Sprouting . Color may be assumed to indicate , in most cases , some vital character of the seed , as determined by various causes . In one species , or even in one individual sample , it may indicate a ...
Стр. 153
... color or ornament , since the less highly colored birds would be at no disadvantage as regards the leaving of healthy progeny . Lastly , he urges the high improbability that through thousands of generations all the females of any ...
... color or ornament , since the less highly colored birds would be at no disadvantage as regards the leaving of healthy progeny . Lastly , he urges the high improbability that through thousands of generations all the females of any ...
Стр. 220
... color - sensations which together give to the eye the sensations of white light . The method is open to objection on account of the impure color of the glasses used . If a device could be adopted whereby only those three parts of the ...
... color - sensations which together give to the eye the sensations of white light . The method is open to objection on account of the impure color of the glasses used . If a device could be adopted whereby only those three parts of the ...
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A WEEKLY NEWSPAPER OF ALL THE ARTS AND SCIENCES | 35 |
Subscriptions United States and Canada | 60 |
Communications will be welcomed from any quarter Rejected manuscripts will | 236 |
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