Trans. Acad. Sci. of St. Louis. 
ge: 3 7 8 9 10 ll 12 13 14 15 16 1¥% 
Mm. Pe.G 
158 
75 
134 —— 
——— | 
onl —150 
_ ne au eer 
150 — a aur 7 wa Ee, — 
= uz pt 
146 j= — a = 
| ie? icc ee ——— | eo ncaa 
a= = —— i 
12 en ee wee ee es 
Res ; es — aa 
ae iz 
138 «a 
VoL. VI. No. 12. PLarTeE XXXUL (from Table No. 48; pages 325, 360). 
Width of Head. 
5, 50 and 25 Percentile Grades. 
Girls: Broken Lines. 
Boys: Unbroken Lines. 
