 | Edward Livingston Youmans - 1867 - 473 lehte
...How does all this take place ?" the chief new idea would be, the idea of adaptation to purpose,—the notion, that the constituents of animal bodies are...composed of homologous parts, which undergo various modifications—beneath and through which a common plan of formation is dis-. cernible. But if I look... | |
 | 1873
...activity, Prof. Huxley notices the tendency of the phenomena of animal life to impress upon the mind " the idea of adaptation to purpose, — the notion...that the constituents of animal bodies are not mere connected parts, but organs working together for an end." It does not appear that the author intends,... | |
 | Edward Royall Tyler, William Lathrop Kingsley, George Park Fisher, Timothy Dwight - 1873
...activity, Prof. Huxley notices the tendency of the phenomena of animal life to impress upon the mind " the idea of adaptation to purpose, — the notion...that the constituents of animal bodies are not mere connected parts, but organs working together for an end." It does not appear that the author intends,... | |
 | Thomas Henry Huxley - 1880 - 378 lehte
...does all this take place ? " the chief new idea would be, the idea of adaptation to purpose,—the notion, that the constituents of animal bodies are...composed of homologous parts, which undergo various modifications—beneath and through which a common plan of formation is discernible. But if I look... | |
 | Thomas Henry Huxley - 1910 - 340 lehte
...chief new idea would be, the idea of adaptation to purpose, — the notion, that the con- 5 stituents of animal bodies are not mere unconnected parts, but...a series of segments composed of homologous parts, 10 which undergo various modifications — beneath and through which a common plan of formation is... | |
 | Victoria Institute (Great Britain) - 1890
...the matter, but that it is the expression of deep-seated natural facts." Again, he says : " Suppose we had known nothing of the lobster but as an inert...unconnected parts, but organs working together to an end " ; but he goes even further than this. He says : " All who are competent to express an opinion on... | |
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How does all this take place?" the chief new idea would be, the idea of adaptation to purpose, — the notion, that the constituents of animal bodies are not mere unconnected parts, but organs working together to an end. Let us consider the tail of the... 