 | Charles Dickens - 1860 - 638 pàgines
...time, then the old birds, or the fostered young, would gain an advantage. And analogy leads Mr. Darwin to believe that the young thus reared would be apt...aberrant habit of their mother, and in their turn would possibly lay their eggs in other birds' nests, and thus be successful in rearing their young. By a... | |
 | Charles Darwin - 1861 - 470 pàgines
...bird, than by their own mother's care, encumbered as she can hardly fail to be by having eggs and young of different ages at the same time ; then the old...nests, and thus be successful in rearing their young. By a continued process of this nature, I believe that the strange instinct of our cuckoo could be,... | |
 | Charles Darwin - 1864 - 472 pàgines
...bird, than by their own mother's care, encumbered as she can hardly fail to be by having eggs and young of different ages at the same time ; then the old...nests, and thus be successful in rearing their young. By a continued process of this nature, I believe that the strange instinct of our cuckoo could be,... | |
 | 1864 - 794 pàgines
...than by their own mother's care, encumbered as she can hardly fail to be, by having eggs and young of different ages at the same time ; then the old...their turn would be apt to lay their eggs in other bird's nests and thus ba successful in rearing their young. By a continued process of this nature,... | |
 | Charles Darwin - 1866 - 668 pàgines
...having eggs and young of different ages at the same time, and by having to migrate at an early period ; then the old birds or the fostered young would gain...lay their eggs in other birds' nests, and thus be more successful in rearing their young. By a continued process of this nature, I believe that the strange... | |
 | 1881 - 1082 pàgines
...; then the old birds or the fostered young ones would gain an advantage. And analogy would lead us to believe, that the young thus reared, would be apt to follow by inheritance the occasional and abberrant habits of their mother, and in their turn would be apt to lay their eggs in other birds'... | |
 | Charles Darwin - 1873 - 492 pàgines
...same time; then the old birds or the fostered young would gain an advantage. And analogy would lead us to believe, that the young thus reared would be apt...lay their eggs in other birds' nests, and thus be more successful in rearing their young. By « continued process of this nature, I believe that the... | |
 | Charles Darwin - 1875 - 504 pàgines
...time ; then the old birds or the fostered young would gain an advantage. And analogy would lead us to believe, that the young thus reared would be apt...lay their eggs in other birds' nests, and thus be more successful in rearing their young. By « continued process of this nature, I believe that the... | |
 | John Holmes Agnew, Walter Hilliard Bidwell, Henry T. Steele - 1877 - 812 pàgines
...profited by this occasional habit, or if the young were made more vigorous, . . . then the old bird, or the fostered young would gain an advantage. And...the occasional and aberrant habit of their mother. ... By a continued process of this nature, I believe that the strange instinct of our cuckoo could... | |
 | 1877 - 1212 pàgines
...profited by this occasional habit, or if the young were made more vigorous, . . . then the old bird, or the fostered young would gain an advantage. And...the occasional and aberrant habit of their mother. . . . By a continued process of this nature, I believe that the strange instinct of our cuckoo could... | |
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And analogy would lead us to believe, that the young thus reared would be apt to follow by inheritance the occasional and aberrant habit of their mother, and in their turn would be apt to lay their eggs in other birds' nests, and thus be more successful... 
