 | St. George Jackson Mivart - 1871 - 324 페이지
...example the proboscis monkey of Borneo (Semnopithecus nasalis). According to Mr. Darwin's own opinion, this form might have been " sensibly changed " in...represent the period required for th'e evolution of the species S. nasalis, and of the other species of the genus Semnopithecus, ten times that period... | |
 | St. George Jackson Mivart - 1871 - 336 페이지
...example the proboscis monkey of Borneo (Semnopithecus nasalis). According to Mr. Darwin's own opinion, this form might have been " sensibly changed " in...no considerable change would be brought about. Now, it one thousand years may represent the period required for the evolution of the species S. nasalis,... | |
 | St. George Jackson Mivart - 1871 - 350 페이지
...example the proboscis monkey of Borneo (Semnopithecus nasalis). According to Mr. Darwin's own opinion, this form might have been " sensibly changed " in...which no considerable change would be brought about. NQW, it 'one thousand years may represent the period required for the evolution of the species S, nasalis,... | |
 | St. George Jackson Mivart - 1871 - 412 페이지
...for an example the proboscis monkey of Borneo (Semnopithecus nasalis). In Mr. Darwin's own opinion, this form might have been " sensibly changed " in...course of two or three centuries. According to this, for evolving it as a true and perfect species one thousand years would be a very moderate period. Let... | |
 | St. George Jackson Mivart - 1871 - 388 페이지
...intention of modifying the breed." He adds : " But by this process of unconscious selection, various breeds have been sensibly changed in the course of two or three centuries." " Sensibly changed ! " but not formed into " new species." Mr. Darwin, of course, could not mean that... | |
 | Charles Darwin - 1896 - 360 페이지
...no intention of modifying the breed ; but by this process of unconscious selection, various breeds have been sensibly changed in the course of two or three centuries. Species, however, probably change much more slowly, and within the same country only a few change at... | |
 | Charles Darwin - 1896 - 360 페이지
...no intention of modifying the breed ; but by this process of unconscious selection, various breeds have been sensibly changed in the course of two or three centuries. Species, however, probably change much more slowly, and within the same country only a few change at... | |
 | Charles Darwin - 1902 - 770 페이지
...with no intention of modifying the breed; but by this process of unconscious selection various breeds have been sensibly changed in the course of two or three centuries. , Species, however, probably change much more slowly, and within the same country only a few change... | |
 | 1905 - 762 페이지
...with no intention of modifying the breed; but by this process of unconscious selection various breeds have been sensibly changed in the course of two or three centuries. Species, however, probably change much more slowly, and within the same country only a few change at... | |
 | 1909 - 596 페이지
...with no intention of modifying the breed; but by this process of unconscious selection, various breeds have been sensibly changed in the course of two or three centuries. Species, however, probably change much more slowly, and within the same country only a few change at... | |
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The comparison would be in every way fairer with the effects which follow from unconscious selection, that is, the preservation of the most useful or beautiful animals, with no intention of modifying the breed; but by this process of unconscious selection,... 
