Abstract
I AM in possession of an intelligent pointer dog, not quite two years old. The manner in which he makes his exit from the garden brought forcibly to my recollection Prof. Möbins's experiment with a pike, as narrated by Mr. Romanes in his article “Animal Intelligence” in the Nineteenth Century for October 1878, p. 659. A pike took three months to learn that he could not reach a minnow separated from him by a sheet of plate glass, and after its removal he never afterwards attacked the minnow. As Mr. Romanes says: “the firmly established association of ideas never seems to have become disestablished”. My pointer seems to arrive at an established association of ideas as fixed as the pike, a fact extremely interesting, considering that the dog is much higher in the scale of life than a fish.
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TURNBULL, J. Intellect in Brutes. Nature 21, 12 (1879). https://doi.org/10.1038/021012a0
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DOI: https://doi.org/10.1038/021012a0
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