Trans. Acad. Sci. of St. Louis. 
Min. 
be 
194 ma ware 
190 — | Pa wae 
BBZSEee7 
ra 
ie me oe La. z 
186 ae at 
oe 2 eae ABBA 
a ae | oa Fe eh OO 0 iS oh Oi 
a gi ON os os wa 
ke pol ec acl es Oe i, ie 
> : > 
x4 f al ad 
ee Oh a 
“ = 
170 Peak OZ Hee 
CB il 
166 
10 20 30 40 50 60 70 80 90 
Percentile Grades. 
VoL. VI. No. 12. PLATE XVI (from Table No, 24; pages 311, 319). 
Girls’ Length of Head. 
