Age: 6 
Cm. 
ay 
aa 
Trans. Acad. Sct. of St. Louis. 
si : a a . rs oso 
eae ol i a " 20 
VoL. VI. No. 12. PLATE XXXIX (from Table No. 19; pages 314, 325). 
Percentile Grades. 
Height Sitting. 
Boys: Unbroken Lines. Girls: Broken Lines. 
