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December 21, 1940

Current Comment

JAMA. 1940;115(25):2182-2183. doi:10.1001/jama.1940.02810510058017

MONGOLIAN SPOTS AND NEGRO HEREDITY  In a recent discussion1 of a case involving rape the question of Mongolian spots as an indication of Negro inheritance received special attention. The so-called Mongolian spot is a curious manifestation of pigmentation which consists of one or more bluish dark spots that appear at birth in the sacral, lumbar and gluteal regions. These spots resemble the black and blue marks on the skin after a contusion, and, according to Dr. Carleton Simon, consulting criminologist to the Association of Chiefs of Police of the State of New York, one of the consultants in the case in question, they are more distinct the first two weeks, becoming fainter and disappearing in from two months to two years. Ninety per cent of all Japanese infants have them, and they are common also among infants of the Javanese, Malays, Chinese, natives of Greenland and tribes of the

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