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April 14, 1923


JAMA. 1923;80(15):1091-1092. doi:10.1001/jama.1923.02640420053030

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To the Editor:  —The quotation in The Journal (March 17, p. 764), mentioning the white mountain goat as intelligent reminds me that the caretaker of a small herd at an amusement park called his dog to drive them from another dog that they were annoying. The herd ran as soon as they heard the name of the dog of which they were afraid, apparently indicating that they understood language.Dogs to a high degree and, to a less degree, cats, horses, cattle, sheep, elephants and probably other animals associated with man understand a good many words. One of the best evidences of understanding on the part of animals is the failure to understand under different circumstances. For instance, sheep habituated to the call "Co'nan" do not respond to "Co'day," and vice versa. In Strasbourg, my wife called a dog chien without getting a response, but he responded immediately to Hund

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