Trans. Acad. Sci. of St. Lowis. 
Mm. Age: 
194 16 
190 L 
i> 
186 —y Pa 7 4 
ol Ee L L 
192 }F A = es A 
118 ie mn rae re} 
— ed LA r. 7 
ot 10 
174 -- — Le ar Ps x 
Pes oF ewes ee ara "% r 
™ pal aie ae Pe i 
Ba Z > eae ra va 7 
166 we oa ra Pe atk pal ae . 
a LY Baal alld 2 os SA Pa Z 
162 Fa > ore PP Pol 7 ae 
/ 7 LY La) Cb aa Be at 
158 7 rae LX a oe oa 
LY L. | Ps Oe at! Peal 
Zi 
154 a 7 WA pat 8 ee 
ee a = 
150 val en atl 
Z 
fe 
146 y 
142 
10 20 30 «BO ae 70 80 90 
Percentile Grades. 
VoL. VI. No. 12, Plate XXIII (from Table No. 28; pages 311, 323). 
Boys’ Height of Face from Hair-Line to Point of Chin. 
