Darwiniana: Essays |
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I THE DARWINIAN HYPOTHESIS [1859] THE hypothesis of which the present
work of Mr. Darwin is but the preliminary outline, may be stated in his own
language as follows:– ¡°Species originated by means of natural selection, or
through the ...
I THE DARWINIAN HYPOTHESIS [1859] THE hypothesis of which the present
work of Mr. Darwin is but the preliminary outline, may be stated in his own
language as follows:– ¡°Species originated by means of natural selection, or
through the ...
24 ÆäÀÌÁö
And the adoption of this course may be the more advisable, because,
notwithstanding its great deserts, and indeed partly on account of them, the ¡°
Origin of Species¡± is by no means an easy book to read—if by reading is implied
the full ...
And the adoption of this course may be the more advisable, because,
notwithstanding its great deserts, and indeed partly on account of them, the ¡°
Origin of Species¡± is by no means an easy book to read—if by reading is implied
the full ...
41 ÆäÀÌÁö
Nay, it is only the other day that an eminent physiologist, Dr. BrownSéquard,
communicated to the Royal Society his discovery that epilepsy, artificially
produced in guinea-pigs, by a means which he has discovered, is transmitted.
Nay, it is only the other day that an eminent physiologist, Dr. BrownSéquard,
communicated to the Royal Society his discovery that epilepsy, artificially
produced in guinea-pigs, by a means which he has discovered, is transmitted.
42 ÆäÀÌÁö
guinea-pigs, by a means which he has discovered, is transmitted to their offspring
." But a race, once produced, is no more a fixed and immutable entity than the
stock whence it sprang ; variations arise among its members, and as these ...
guinea-pigs, by a means which he has discovered, is transmitted to their offspring
." But a race, once produced, is no more a fixed and immutable entity than the
stock whence it sprang ; variations arise among its members, and as these ...
45 ÆäÀÌÁö
IIere, then, says the physiologist, we have a means of distinguishing any two true
species from any two varieties. If a male and a female, selected from each group,
produce offspring, and that offspring is fertile with others produced in the same ...
IIere, then, says the physiologist, we have a means of distinguishing any two true
species from any two varieties. If a male and a female, selected from each group,
produce offspring, and that offspring is fertile with others produced in the same ...
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able action adapted admit animals appears authority become believe better body breed called causes changes character common complete consider course creation cross Darwin deposited direct distinct doctrine doubt effect evidence evolution existence experiments expression fact favour force forms further germ give given groups hand horse hypothesis important influence kind knowledge known laws less living matter means mind modification natural natural selection objections observation once operation opinion organic Origin of Species parent particular persons phenomena plants position possible present principles probably produced Professor prove question races reason record relations remains remarkable respect result scientific selective breeding sense similar sort structure suppose term theory thing thought tion true variation varieties vary views whole writer