282 



Proceedings of the Royal Irish Academy. 



26-28 years (17 persons). 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1612 



1500 



1702 m.m. 



Height sitting, 



. 862 



806 



904 „ 



Span, 



. 1622 



1463 



1709 „ 



WeigM, 



128-0 



105 



166 lbs. 



Grasp of right hand, , 



57-3 



34 



74 „ 



,, left hand, 



56-5 



32 



80 „^ _ 



Vital capacity. 



136 



85 



180 cubic in 



Colour sense normal in all. 

 Span less than stature in 5 cases. 

 Grasp of both hands equal in 1 case. 



,, left hand stronger than right in 7 cases. 



30-34 years (7 persons). 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1628 



1558 



1690 m.m. 



Height sitting, 



. 878 



858 



910 „ 



Span, 



. 1621 



1542 



1721. „ 



Weight, 



129-0 



118 



140 lbs. 



Grasp of right hand, , 



69-1 



39 



87 „ 



,, left hand, 



60-5 



40 



77 „_ _ 



Yital capacity. 



145 



118 



180 cubic in 



Span less than statui-e in 4 cases. 



Span equal to stature in 1 case. 



Grasp of left hand stronger than that of right in 1 case. 



39-49 years (4 persons.). 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1582 



1540 



1672 m.m. 



Height sitting, 



860 



821 



900 ,, 



Span, 



. 1597 



1565 



1665 ,, 



Weight, 



. 131-0 



99 



153 lbs. 



Grasp of right hand, 



65-3 



48 



74 „ 



,, left hand, 



61-0 



38 



76 „ 



Vital capacity. 



132 



108 



177 cubic in 



Colour sense normal in all. 



Span less than stature in 1 case. 



Grasp of left hand stronger than that of right in 1 case. 



