TABLE No. 5. 
Tue RELATIVE ANNUAL INCREASE OF AVERAGE.* 
Age at nearest Birthday and Relative Annual Increase of Average. 
Dimension. Sex. 
6to7 | 708 8 to 9 | 9 to 10 10 to 11|11 to 12) 12 to 13 13 to 14| 14 to 15 15 to 16|16 to 17|17 to 18 
Boys. 9.7 9.7 9.6 8.7 9.5 8.1 3 10.5 14.3 11.6 7.9 5.3 
Lida celts alee | @itls. Wo 8 RG 8G) el ea} 8.9] 0.4 8 4,7 
Boys. 47; 4.7) 44) 8.6 8.9, 88 84> «4.0; 4.8; 8.5) 8.0) 8.8 
Height Standing..| Gj’ 1.9 UA Sa art ee eee 58} 2.9]. Wigogee y 
Boys. 3.3 2.2 8.1 3.8 2.1 2.2 2. 3.6 3.8 3.2 4.1 8.1 
Height Sitting....| Qis” t.1 oe Ree ee Xe Se S| Wea 
Boys. 5.0; 4.9) 4.8 4.0 3.8 4.1 3.2 4.8 4.7 3.5 2.8 4.0 
BPSD. OF. AYMB esx Girls. 5.0 5.8 4.5 4,1 4.3 4.3 5.1 3.7 2.5 1.4 3.2 0.9 
Boys. 2.7 2.6 8 2.6 2.5 2.8 2.7 8.8 4.5 3.5 2.7 3.8 
Girth of Chestt..-| Girls. Ce ee a ee ee eee ee eee ee 
oe Boys, | 25.4| 24.1] 24.9| 22.7] 21.8 20.5, 20.9) 26.2] 81.6 25.8 20.5) 19-4 
Mion ee Girls. 25.9| 26.8} 24.81 21.51 24.9; 27.9; 33.6] 24.0| 228] 16.2] 12, 1.7 
* Obtained for age 6 to 7 by dividing the increase from age 6 to age 7 by the average at age 6; for age 7 to 8 by dividing the in- 
crease from age 7 to age 8 by the average at age 7; and 80 on. 
+ Obtained by adding Girth of chest at full inspiration to Girth of chest at full expiration and dividing by 2. 
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