The Advancement of Science: Occasional Essays & AddressesMacmillan, 1890 - 387 |
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Strona 4
... less exact - our conclusions are no less accurate because they are only probably true . They are " prob- ably true " with a degree of probability of which we are fully aware , and which is only somewhat less than the probability ...
... less exact - our conclusions are no less accurate because they are only probably true . They are " prob- ably true " with a degree of probability of which we are fully aware , and which is only somewhat less than the probability ...
Strona 15
... less varieties of complicated plants and animals which now people the world . Countless varieties have died out , leaving only their modified descendants to puzzle the ingenuity of the biologist . Of the tens and hundreds of thousands ...
... less varieties of complicated plants and animals which now people the world . Countless varieties have died out , leaving only their modified descendants to puzzle the ingenuity of the biologist . Of the tens and hundreds of thousands ...
Strona 18
... less ages in the one case , are accomplished in a few weeks in the other . And now we have to note the important fact which makes this process of development so intensely interesting in relation to the pedi- gree of the animal kingdom ...
... less ages in the one case , are accomplished in a few weeks in the other . And now we have to note the important fact which makes this process of development so intensely interesting in relation to the pedi- gree of the animal kingdom ...
Strona 19
... structure of the frog and the animals to which it is allied , we are justified in concluding that the tadpole is a recapitulative phase of development , and represents to us more or less closely an ancestor. A CHAPTER IN DARWINISM 19.
... structure of the frog and the animals to which it is allied , we are justified in concluding that the tadpole is a recapitulative phase of development , and represents to us more or less closely an ancestor. A CHAPTER IN DARWINISM 19.
Strona 20
... less familiar case is that of a certain kind of shrimp , which is illustrated in the woodcuts ( Fig . 3 and right lower corner of Fig . 4 ) . The little creature which issues from the egg of this shrimp is known. FIG . 3 .-- Adult shrimp ...
... less familiar case is that of a certain kind of shrimp , which is illustrated in the woodcuts ( Fig . 3 and right lower corner of Fig . 4 ) . The little creature which issues from the egg of this shrimp is known. FIG . 3 .-- Adult shrimp ...
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