LIST OF PLATES. 
PiaTE I, Thecalculated and the observed distribution . the height 
standing of 2192 St. Louis school girls, ag 
tH: wei minus average values (weight, caaik height 
itting, span of arms). 
AMT; satan minus average values (chest-girth and strength 
of squeeze). 
IV. Median minus average values (head and face measure- 
ments). 
V. Boys’ weight (percentile grades). 
VI. Girls’ weight (percentile grades 
II. Girls’ 
XIII. Boys’ girth of chest (percentile grades). 
XIV. Girls’ girth of py Si aati grades). 
XV. Boys’ length of head (percentile grades). 
Dad mone length of ad (percentile grades). 
XVII. Boys’ width of head (percentile ae 
XVIII. Girls’ width of head (percentile grades 
XIX. Bo il s’ height of face from root of nose 3 point of chin 
rcentile grades). 
XX. isis’ height of face from root of nose to point of chin 
area grades 
XXI. width of face (percents west 
XXII. rt width of face (percentile grade 
XXIII. geet ee of face from hair-line es point of chin (per- 
ile grades). 
XXIV. ia height of face from hair-line to point of chin (per- 
centile grade 
XXV. Weight, 75, 50 kindk 25 percentile grades 
XXVI. Height standing, 75, 50 and 25 peveentite grades. 
XXVII. Height sitting, 75, 50 and 25 percentile grades. 
XXVIII. Span of arms, 7 5, 50 and 25 percentile grades, 
XXIX. Girth of chest, 75, 50 and 25 percentile grades. 
XXXII. Length of head, 75, 50 a 25 percentile aaa 
XXXIII. Width of head, 75, 50 and 25 percentile grade 
XXXIV. Height of face from root of nose to point of sot 75, 50 
and 25 percentile grades, 
(371) 
