Trans. Acad. Sci. of St. Louis. 
—) 
no 
—) 
oe 
—) 
Percentile Grades. 
VoL. VI. No. 12. PLATE V (from Table No. 17; pages 311, 312). 
Boys’ Weight. 
{ 
=u oa st 
pees Leet) 
i "4 
eT he 
eo 
a 7 
pe ae LA 
Pes ie cal LL 
ag 
Ps 
= Y ee Pel / 
ae 
nad Peal y, 
Pa : sae as 2 rae 
ed Deal 
Fa L / 
boi] 4 
= re 
ens wr 7 
* | 7 ee al eS 
a 1 Ge alk Pee ali jee 
—— a 
—- ¥ oie 
La i] = aa Be eet! 
Eee eer 
oe eae a Se ies pod Be nek 
198 oP ne ae ee ern ard 
_—— ee ee aki ; et os 
aaa SO ear eee 4 7 
Cw Be 2 mot wad WE 
ea 
16 
4 
] 
40 50 60 70 80 90 
