Trans. Acad. Sci. of St. Louis. 
Age: 6 7 8 9 ae: | i i h& oF wee 
Mm. Pe. G 
122 
rae 1 
118 rae 
Sa 
114 Ea a, 50 
al # q 
110 4a 
Ps zea Y 
Pe Za 25 
‘ Ls 
106 a - 
ca lis ee ae 
wes oe . i - 
ree hat L~ 
98 is > oe St eel 
Fal “a 
94 , ae 
on ¢ Fos 
90 feet 
86 
VoL. VI, No, 12. PLATE XXXIV (from ‘able No. 49; pages 325, 361). 
Height of Face from Root of Nose to Point of Chin. 
75, 50 and 25 Percentile Grades. 
Boys: Unbroken Lines. 
Girls: Broken Lines. 
