 ... happen to have been of benefit to the animals which first chanced to perform them. But now let it be observed that although there is a great difference between these two kinds of instincts if regarded psychologically, there is no difference between...  The American Naturalist - Page 8401878Full view - About this book
 | 1878 - 916 lehte
...JG Romanes' lecture on " Animal Intelligence," which attracted special interest ; he said: "\Vetluis see animal instincts may arise in either of two different...psychologically, there is no difference between them if regarded physiological ly ; for, regarded physiologically, both kinds of instincts are merely expressions of... | |
 | George John Romanes - 1883 - 438 lehte
...survival of the fittest, continuously preserving actions which, although never intelligent, yet Itappen to have been of benefit to the animals which first chanced to perform them. Thus, for instance, take the instinct of incubation. It is quite impossible that any animal can ever... | |
 | 1884 - 1142 lehte
...or survival of the fittest, continuously preserving actions which, although never intelligent, yet happen to have been of benefit to the animals which first chanced to perform them. Among animals, both in a state of nature and domestication, we constantly meet with individual peculiarities... | |
 | 1885 - 820 lehte
...this treatise is to be sought in those conditions which natural selection may influence. These are " actions which, although never intelligent, happen...the animals which first chanced to perform them." At the very beginning, therefore, before natural selection has had any thing to do, we find the animal... | |
 | 1885 - 900 lehte
...or survival of the fittest, continuously preserving actions which, although never intelligent, yet happen to have been of benefit to the animals which first chanced to perform them. Among animals, both in a state of nature and domestication, we constantly meet with individual peculiarities... | |
 | Royal Institution of Great Britain - 1887 - 638 lehte
...or survival of the fittest, continuously preserving actions which, although never intelligent, yet happen to have been of benefit to the animals which first chanced to perform them. Among animals, both in a state of nature and domestication, wo constantly meet with individual peculiarities... | |
 | Charles Clement Coe - 1895 - 648 lehte
...or survival of the fittest, continuously preserving actions which, although never intelligent, yet happen to have been of benefit to the animals which first chanced to perform them." — (Mental Evolution in Animals, p. /77.) The proof which he gives of this assertion is : — " t.... | |
 | Thomson Jay Hudson - 1899 - 394 lehte
...selection, or survival of the fittest, continuously preserving actions which, though never intelligent, yet happen to have been of benefit to the animals which first chanced to perform them." It is superfluous to remark that the supposition that the process of incubation began by an " accidental... | |
 | Maurice Parmelee - 1913 - 508 lehte
...Primary instincts result from the natural selection of actions "which, although never intelligent, yet happen to have been of benefit to the animals which first chanced to perform them." * Secondary instincts result from the hereditarytransmission of habits of actions originally intelligent.... | |
 | 1878 - 1182 lehte
...they may arise from survival of the fittest, preserving actions which, although never intelligent, yet happen to have been of benefit to the animals which...fibres have been set apart to perform their reflexes automatically — that is, without being accompanied by intelligence. So much, then, for what I have... | |
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