On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for LifeThis is the 'second edition' of Darwin's Origin of Species. |
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Page 4
generations, some bird had given birth to a woodpecker, and some plant to the
missletoe, and that these had been produced perfect as we now see them; but
this assumption seems to me to be no explanation, for it leaves the case of the ...
generations, some bird had given birth to a woodpecker, and some plant to the
missletoe, and that these had been produced perfect as we now see them; but
this assumption seems to me to be no explanation, for it leaves the case of the ...
Page 9
... system, when it does act under confinement, acting not quite regularly, and
producing offspring not perfectly like their parents. ... same cause which produces
sterility; and variability is the source of all the choicest productions of the garden.
... system, when it does act under confinement, acting not quite regularly, and
producing offspring not perfectly like their parents. ... same cause which produces
sterility; and variability is the source of all the choicest productions of the garden.
Page 10
To judge how much, in the case of any variation, we should attribute to the direct
action of heat, moisture, light, food, &c., is most difficult: my impression is, that
with animals such agencies have produced very little direct effect, though ...
To judge how much, in the case of any variation, we should attribute to the direct
action of heat, moisture, light, food, &c., is most difficult: my impression is, that
with animals such agencies have produced very little direct effect, though ...
Page 12
No breeder doubts how strong is the tendency to inheritance: like produces like is
his fundamental belief: doubts have been thrown On this principle by theoretical
writers alone. When any deviation of structure often appears, and we see it in ...
No breeder doubts how strong is the tendency to inheritance: like produces like is
his fundamental belief: doubts have been thrown On this principle by theoretical
writers alone. When any deviation of structure often appears, and we see it in ...
Page 19
... the bloodhound, the bull-dog, or Blenheim spaniel, &c.—so unlike all wild
Canidae —ever existed freely in a state of nature? It has often been loosely said
that all our races of dogs have - been produced by the crossing of a few
aboriginal.
... the bloodhound, the bull-dog, or Blenheim spaniel, &c.—so unlike all wild
Canidae —ever existed freely in a state of nature? It has often been loosely said
that all our races of dogs have - been produced by the crossing of a few
aboriginal.
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action adapted allied America amount ancient animals appear become believe birds breeds cause chapter characters climate closely common compared considered continuous crossed descended developed difficulty distinct domestic doubt Edition effects existing extinct extremely facts families favourable fertility flowers follow formations forms genera genus geological give given groups habits hand Hence History hybrids important increase individuals inhabitants inherited insects instance instincts intermediate islands kind land laws less living look male manner means modification namely natural selection naturalists nearly never observed occur organic origin parent perfect period plants points Post 8vo present principle probably produced range ranked reason remarked Second seeds seems seen separated single slight sometimes species sterility structure struggle successive supposed tend theory tion variability variations varieties vary Vols whole widely Woodcuts