An Intelligent Trout On a charming trout stream which had
avoided the pollution that had destroyed the waters in neighbouring valleys, two observers on different reaches watched a startling phenomenon, and one of them noted a most curious detail. The surface of the stream had been quiet when of a sudden the fish seemed to go mad. They tore their way through the water at the surface and many kept leaping into the air. In a few minutes the stream was quiet again, but on it floated the dead bodies of countless trout. The destruction was not quite universal. The one observer saw one trout rather larger than the rest swim at great speed down stream, pass under the bridge on which the fisherman stood and then stop close up against the central pier. The poisoned water flowed on either side and left an untainted eddy against the stonework. It was never discovered how this sudden and quickly ended poisoning took place. The big trout found pure,water again when he moved into the body of the stream.
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