286 



Proceedings of the Royal Irish Academy. 



Males, 16-17 years (23 persons). 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1709 



1610 



1838 m.m. 



Height sitting, 



. 894 



813 



973 „ 



Span, 



. 1764 



1636 



1927 „ 



Weight, 



137-0 



110 



159 lbs. 



Vital capacity. 



209 



153 



280 cubic in 



Grasp of right hand, . 



92-2 



70 



118 lbs. 



, , left hand 



86-3 



60 



118 „ 



Colour sense defective in 1 case. 

 Span less than stature in 2 cases. 



Grasp of left hand stronger than that of right in 6 cases. 

 1 case. 



Both hands equal in 



Males, 18 years (48 persons). 



Stature, 

 Height sitting, 

 Span, 

 Weight, 

 Vital capacity. 

 Grasp of right hand, 

 ,, left hand, 



Mean. 

 1731 

 912 

 1770 

 145-6 

 245 

 99-1 

 95-2 



Minimum. 



1610 



813 



1644 



119 



160 



68 



63 



Maximum. 

 1832 m.m. 



973 „ 

 1931 ,, 



196 lbs. 



300 cubic in. 



126 lbs. 



129 „ 



Colour sense normal in all. 



Span less than stature in 2 cases. Mean taken on 46 cases, this item having been 



omitted in 2. 

 Grasp equal in both hands in 2 cases. 

 Left stronger than right in 12 cases. 



Males, 19 years (60 jjersons). 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1747 



1641 



1913 m.m. 



Height sitting. 



924 



843 



1008 „ 



Span, 



. 1807 



1650 



1975 „ 



Weight, 



152-9 



120 



189 lbs. 



Vital capacity, 



221 



130 



285 cubic in 



Grasp of right hand, . 



104-0 



76 



126 lbs. 



,, left hand. 



98-6 



67 



129 „ 



Colour sense defective in 1 case. 

 Span less than stature in 1 case. 

 Grasp of left hand greater than that of right in 15 cases. Both hands equal in 1 case. 



