70 
Variation and Correlation in Brain-Weight 
Diagram XXI. Probable Brain-weight for given Skull Breadth. 
Bohemian i Young. 20 — 59 years. 
117 5 122-5 127 5 132 5 137 5 142-5 147 5 152 5 157 5 162-5 167-5 172-5 177 5 
Skull Breadth ( — B) in millimetres. 
Diagram XXII. Probable Brain-weight for given Skull Length. 
Bohemian ? Young. 20 — 59 years. 
1150 
152-5 157-5 162-5 167-5 172-5 177-5 182-5 
ShuU Leiijitlt { = L) in millimetres. 
