Champs masqués
Livres Livres
" ... of the year when food was scarcest; they would also rear more young, which would tend to inherit these slight peculiarities. The less fleet ones would be rigidly destroyed. I can see no more reason to doubt that these causes in a thousand generations... "
Palaeontology Or a Systematic Summary of Extinct Animals and Their ... - Page 434
de Richard Owen - 1861 - 463 pages
Affichage du livre entier - À propos de ce livre

The Edinburgh Review, Volume 111

1860 - 566 pages
...during that time of the year when food was scarcest on the ground, but ripe and ready on certain trees ; they would also rear more young which would tend to inherit these slight peculiarities. The best climbers would escape the tigers, the worst would be rigidly destroyed. Buffon would have seen...
Affichage du livre entier - À propos de ce livre

Journal of the Proceedings of the Linnean Society: Zoology, Volumes 3 à 4

1859 - 578 pages
...and would tend to live longer, and to survive during that time of the year when food was scarcest ; they would also rear more young, which would tend...causes in a thousand generations would produce a marked effect, and adapt the form o the fox or dog to the catehing of hares instead of rabbits, than tha greyhounds...
Affichage du livre entier - À propos de ce livre

Report of the ... Meeting of the British Association for the ..., Volume 28

British Association for the Advancement of Science - 1859 - 750 pages
...and would tend to live longer, and to survive during that time of the year when food was scarcest; they would also rear more young, which would tend...causes in a thousand generations would produce a marked effect, and adapt the form of the fox or dog to the catching of hares instead of rabbits, than that...
Affichage du livre entier - À propos de ce livre

Littell's Living Age, Volume 66

1860 - 894 pages
...during that time of the year when food was scarcest on the ground, but ripe and ready on certain trees ; they would also rear more young which would tend to inherit these slight peculiarities. The best climbers would escape the tigers, the worst would be rigidly destroyed. * By D:ir\vin and Wallace,...
Affichage du livre entier - À propos de ce livre

The Anthropological Review, Volume 1

1863 - 584 pages
...and would tend to live longer, and to survive during the time of the year when the food was scarcest; they would also rear more young, which would tend to inherit these slight peculiarities. The less scansorial ones would be rigidly destroyed. The consequence would be, that the lions would be transformed...
Affichage du livre entier - À propos de ce livre

Report of the Annual Meeting

British Association for the Advancement of Science - 1863 - 864 pages
...tend to live longer, and to survive during that time of the year when binls or fruits wore scarcest ; they would also rear more young, which would tend to inherit these slight peculiarities. Were the Lemurs to be reduced to this insect-food, those individuals less plastic than the incipient...
Affichage du livre entier - À propos de ce livre

Report of the Annual Meeting, Volume 32

British Association for the Advancement of Science. Meeting - 1863 - 874 pages
...tend to live longer, and to survive during that time of the year when birds or fruits were scarcest ; they would also rear more young, which would tend to inherit these slight peculiarities. Were the Lemurs to bo reduced to this insect-food, those individuals less plastic than the incipient...
Affichage du livre entier - À propos de ce livre

On the Anatomy of Vertebrates ...: Mammals

Richard Owen - 1868 - 1046 pages
...the year when food was scarcest ; they would also rear more young, which would tend to inherit those slight peculiarities. The less fleet ones would be...causes in a thousand generations would produce a marked effect, and ad.ipt the form of the fox or dog to the catching of hares instead of rabbits, than that...
Affichage du livre entier - À propos de ce livre

On the anatomy of vertebrates. v.3, 1868, Volume 3

Richard Owen - 1868 - 954 pages
...the year when food was scarcest ; they would also rear more young, which would tend to inherit those slight peculiarities. The less fleet ones would be...causes in a thousand generations would produce a marked effect, and adapt the form of the fox or dog to the catching of hares instead of rabbits, than that...
Affichage du livre entier - À propos de ce livre

On the Anatomy of Vertebrates: Mammals

Richard Owen - 1868 - 966 pages
...the year when food was scarcest ; they would also rear more young, which would tend to inherit those slight peculiarities. The less fleet ones would be...causes in a thousand generations would produce a marked effect, and adapt the form of the fox or dog to the catching of hares instead of rabbits, than that...
Affichage du livre entier - À propos de ce livre




  1. Ma bibliothèque
  2. Aide
  3. Recherche Avancée de Livres
  4. Télécharger l'ePub
  5. Télécharger le PDF