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Biologia
From childhood, I have believed that all kinds of animals have some mode of speech by which they could talk among their own kind, and have often wondered why man had never tried to learn it. I often wondered how it occurred to man to whistle to a horse or dog instead of using some sound more like their own; and even yet I am at a loss to know how such a sound has ever become a fixed means of calling these animals. I was not alone in my belief that all animals had some way to make known to others some certain things; but to my mind the means had never been well defined.
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