Nature, Volume 64Sir Norman Lockyer Macmillan Journals Limited, 1901 |
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Página 233
... produced by continual selection of variations in the right direction no breeder would doubt , and so the living specimens of long - tailed fowls one sees in Europe present no special difficulty . Indeed , even the goose , a bird , as ...
... produced by continual selection of variations in the right direction no breeder would doubt , and so the living specimens of long - tailed fowls one sees in Europe present no special difficulty . Indeed , even the goose , a bird , as ...
Página 362
... produced . [ When the operation was conducted in accordance with the above in- dications , the theatre was brilliantly illuminated by the intense light produced . A mass of metallic chromium weighing about 100 lbs . , reduced to the ...
... produced . [ When the operation was conducted in accordance with the above in- dications , the theatre was brilliantly illuminated by the intense light produced . A mass of metallic chromium weighing about 100 lbs . , reduced to the ...
Página 448
... produced fertile seeds . Whether the facts that some of the so - called genera not only interbreed but " come true from seed " are to be taken as proofs against their autonomy as separate genera or not is a point of the highest interest ...
... produced fertile seeds . Whether the facts that some of the so - called genera not only interbreed but " come true from seed " are to be taken as proofs against their autonomy as separate genera or not is a point of the highest interest ...
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edfern famnina Mlor de im | 20 |
NAM AKARTAMA of organometallic derivatives by W E | 24 |
22 | 69 |
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