 The hypothesis of Lamarck — that progressive changes in species have been produced by the attempts of animals to increase the development of their own organs, and thus modify their structure and habits — has been repeatedly and easily refuted by all...  Year-book of Nature and Popular Science for 1872 - Page 239redigeeritud poolt - 1873 - 333 lehteFull view - About this book
 | 1859 - 578 lehte
...produced by the attempts of animals to inerease the development of thcir own organs, and thus modify thcir structure and habits — has been repeatedly and easily...settled ; but the view here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of... | |
 | Alfred Russel Wallace - 1870 - 458 lehte
...progressive changes in species have been produced by the attempts of animals to increase the development of their own organs, and thus modify their structure...question has been finally settled ; but the view here develoI,ed renders such hypothesis quite unnecessary, by showing that similar results must be produced... | |
 | Alfred Russel Wallace - 1870 - 414 lehte
...progressive changes in species have been produced by the attempts of animals to increase the development of their own organs, and thus modify their structure...whole question has been finally settled ; but the viewhere developed renders such hypothesis quite unnecessary, by showing that similar results must,... | |
 | Samuel Butler - 1880 - 338 lehte
...progressive changes in species have been produced by the attempts of animals to increase the development of their own organs, and thus modify their structure...all writers on the subject of varieties and species, . . . but the view here developed renders such an hypothesis quite unnecessary . . . The powerful retractile... | |
 | Samuel Butler - 1884 - 354 lehte
...progressive changes in species have been produced by the attempts of animals to increase the development of their own organs and thus modify their structure...-writers on the subject of varieties and species, . . . but the view here developed renders such a hypothesis quite unnecessary . . . The powerful retractile... | |
 | Samuel Butler - 1890 - 304 lehte
...progressive changes in species have been produced by the attempts of animals to increase the development of their own organs, and thus modify their structure...all writers on the subject of varieties and species, . . . but the view here developed renders such an hypothesis quite unnecessary . . . The powerful retractile... | |
 | Alfred Russel Wallace - 1891 - 516 lehte
...be preserved. Those individuals which do not vary sufficiently will perish. increase the development of their own organs, and thus modify their structure...settled ; but the view here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of... | |
 | William Keith Brooks - 1899 - 356 lehte
...been produced by the attempts of animals to increase the development of their own organs, and thus to modify their structure and habits — has been repeatedly...and easily refuted by all writers on the subject." — WALLACE : " On the Tendency of Varieties to depart indefinitely from the Original Type," Journ.... | |
 | 1902 - 584 lehte
...progressive changes in species • have been produced by the attempts of animals to increase the development of their own organs, and thus modify their structure...settled ; but the view here developed renders such an hypothesis quite unnecessary, by showing that similar results must be produced by the action of... | |
 | Arthur Dendy - 1912 - 478 lehte
...progressive changes in species have been produced by the attempts of animals to increase the development of their own organs, and thus modify their structure...settled ; but the view here developed renders such an hypothesis quite unnecessary, by shewing that similar results must be produced by the action of... | |
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