67개의 결과 중 1 - 5개
A few naturalists, and several who have not particularly studied natural history,
believe, on the other hand, that species undergo modification, and that the
existing forms of life have descended by true generation from pre-existing forms.
... nature If, on the other hand, we view ' Persistent Types ' in relation to that
hypothesis which supposes the species living at any time to be the result of the
gradual modification of pre-existing species, — a hypothesis which, though un-
... in the same exact condition as in the most sterile hybrids. When, on the one
hand, we see domesticated animals and plants, though often weak and sickly, yet
breeding quite freely under confinement ; and when, on the other hand, we Chap.
under confinement ; and when, on the other hand, we see individuals, though
taken young from a state of nature, perfectly tamed, long-lived, and healthy (of
which I could give numerous instances), yet having their reproductive system so ...
On the other hand, nurserymen, from raising large stocks of the same plants, are
generally far more successful than amateurs in getting new and valuable
varieties. The keeping of a large number of individuals of a species in any
다른 사람들의 의견 - 서평 쓰기
LibraryThing Review사용자 리뷰 - donbuch1 - LibraryThing
This classic series represents the Western canon not without academic controversy. The latest volumes of the Great Books include some women writers, but they are still definitely underrepresented ... 전체 리뷰 읽기
LibraryThing Review사용자 리뷰 - davidpwithun - LibraryThing
I'm probably one of a very few people who has sat and read the Synopticon from front to back. Though it might seem like a strange practice, nearly like reading the dictionary or an encyclopedia, I can ... 전체 리뷰 읽기