Trans. Acad. Sci. of St. Louis. 
Age: 6 a 8 9 10 11 12 13 14 15 16 17 18 
Cm Pe. 
i5 
175 Kg Fi 50 
A 25 
169 a 
‘al es seer] 15 
163 fae 
ES a : 50 
157 ey ey | ea a 
151 MV 42 7, 
7 Ps 
145 ae Ze Pi ia 
139 Fs ae Meme f, ee 
VAY OVA ul 
oe : 
ie r 
Tas fe PA Wi ae pee 
Va if 2 Ps 
127 fa W, LE 
VE v7 Ly 
[ x, Wee —_ 
1 }—— af as 
rs sf 
115 yaaa 
109 
. 
103 al 
Span of Arms. 
VOL. VI. NO.12. PLATE XXVIII (from Table No. 41; pages 324, 353). 
75, 50 and 25 Percentile Grades. 
Boys: Unbroken Lines. 
Girls: Broken Lines. 
