Darwiniana: Essays |
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It is affirmed not only that this is an experimental fact, but that it is a provision for
the preservation of the purity of species. ... own observations and experiments
that many hybrids are quite as fertile as the parent species, but he goes so far as
to ...
It is affirmed not only that this is an experimental fact, but that it is a provision for
the preservation of the purity of species. ... own observations and experiments
that many hybrids are quite as fertile as the parent species, but he goes so far as
to ...
20 페이지
Mr. Darwin abhors mere speculation as nature abhors a vacuum. He is as greedy
of cases and precedents as any constitutional lawyer, and all the principles he
lays down are capable of being brought to the test of observation and experiment
.
Mr. Darwin abhors mere speculation as nature abhors a vacuum. He is as greedy
of cases and precedents as any constitutional lawyer, and all the principles he
lays down are capable of being brought to the test of observation and experiment
.
21 페이지
brought to the test of observation and experiment. The path he bids us follow
professes to be, not a mere airy track, fabricated of ideal cobwebs, but a solid and
broad bridge of facts. If it be so, it will carry us safely over many a chasm in our ...
brought to the test of observation and experiment. The path he bids us follow
professes to be, not a mere airy track, fabricated of ideal cobwebs, but a solid and
broad bridge of facts. If it be so, it will carry us safely over many a chasm in our ...
46 페이지
And, in both animals and plants, is superadded the further difficulty, that
experiments must be continued over a longtime for the purpose of ascertaining
the fertility of the mongrel or hybrid progeny, as well as of the first crosses from
which they ...
And, in both animals and plants, is superadded the further difficulty, that
experiments must be continued over a longtime for the purpose of ascertaining
the fertility of the mongrel or hybrid progeny, as well as of the first crosses from
which they ...
48 페이지
on widely different circumstances—should all run to a certain extent parallel with
the systematic affinity of the forms which are subjected to experiment; for
systematic affinity attempts to express all kinds of resemblance between all
species.
on widely different circumstances—should all run to a certain extent parallel with
the systematic affinity of the forms which are subjected to experiment; for
systematic affinity attempts to express all kinds of resemblance between all
species.
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able action adapted admit animals appears authority become believe better body breed called causes changes character common complete consider course creation cross Darwin deposited direct distinct doctrine doubt effect evidence evolution existence experiments expression fact favour force forms further germ give given groups hand horse hypothesis important influence kind knowledge known laws less living matter means mind modification natural natural selection objections observation once operation opinion organic Origin of Species parent particular persons phenomena plants position possible present principles probably produced Professor prove question races reason record relations remains remarkable respect result scientific selective breeding sense similar sort structure suppose term theory thing thought tion true variation varieties vary views whole writer
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| 제목 | Darwiniana: Essays 2권/Collected essays by T.H. Huxley 2권/Collected essays 2권/Essays, Thomas Henry Huxley |
| 저자 | Thomas Henry Huxley |
| 발행인 | Appleton, 1894 |
| 길이 | 475페이지 |
| 서지정보 내보내기 | BiBTeX EndNote RefMan |