...modified ; " and on the opposite page this: "I happened to read for amusement Malthus on J'opulation, and being well prepared to appreciate the struggle...existence which everywhere goes on from long-continued observation of the habits of animals and plants," etc. Of course, there can be no difficulty of wriggling...

...fifteen months after I had begun 1ny systematic inquiry, I happened to read for amusement "Mai thus on Population," and being well prepared to appreciate...existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances...

...his law of "natural selection' ' by reading the economic writings of Thomas Robert Malthus. He says: In October, 1838, that is, fifteen months after I...struggle for existence which everywhere goes on, from long continued observations of the habits of animals and plants, it at once struck me that under these...

...a mystery to me. In October 1838, that is, fifteen months after I had begun my systematic enquiry, I happened to read for amusement ' Malthus on Population,'...existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances...

...to me almost useless to endeavour to prove by indirect evidence that species have been modified. ... In October, 1838, that is, ,. \ fifteen months after...it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones destroyed. The result of this...

...could be applied to organisms living in a state of nature, remained for some time a mystery to me. In October 1838 — that is, fifteen months after...existence which everywhere goes on from longcontinued observation of the habits of animals and plants, it at once struck me that under these circumstances...

...his Autobiography ('Life,' vol. i. p. 83) he writes : " In October 1838 — that is, fifteen mouths after I had begun my systematic inquiry — I happened...existence which everywhere goes on, from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances...

...selection could be applied to organisms living in a state of nature remained for some time a mystery to me. In October, 1838, that is, fifteen months after I...existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances...

...afterwards, in October, 1838, he read for amusement Malthus on Population, and he says : — * • Being well prepared to appreciate the struggle for...it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones destroyed. The result of this...

...a mystery to me. In October, 1838, that is fifteen months after 1 had begun my systematic enquiry, I happened to read for amusement "Malthus on Population,"...existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances...