Observations 1. Trout seem to learn that danger Is associated with artificial flies; Perhaps it is the hook in them. 2. I once saw a frog attacked And turned over by my dog And it lay quite still on its back. I am positive it made quite A separate movement to put Its front feet over its ears. Why did it? Experiments 1. Catch butterflies and clip Their wings with scissors. Do your observations Outside, where butterflies are numerous....
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