Trans. Acad. Sci. of St. Louis. 
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Vou. VI. No.12, PLATE XXXVI (from Table No. 51; pages 325, 363). 
Height of Face from Hair-Line to Point of Chin. 
75, 50 and 25 Percentile Grades. 
Boys: Unbroken Lines. Girls: Broken Lines. 
a 
