280 



Proceedings of the Royal Irish Academy. 



By Ages. 



Females^ 4-11 years (8 persons). 



Under 10 years. 5-9 years. 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1255 



1090 



1326 m.m. 



Height sitting, 



. 706 



685 



732 „ 



Span, 



. 1284 



1231 



1320 „ 



Weight, 



59-0 



45 



71 lbs. 



Grasp of right hand, . 



18-0 



10 



35 ,, 



,, left hand. 



14-4 



10 



22 „ 



Vital capacity, 



77 



50 



88 cubic in. 



Span less than stature in 4 cases. 

 Grasp of both hands equal in one case. 



10 and 11 years. 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1382 



1358 



1404 m.m. 



Height sitting, 



. 747 



730 



760 „ 



Span, 



. 1389 



1362 



1415 „ 



Weight, 



71-5 



64 



80 lbs. 



Grasp of right hand, . 



32-3 



25 



38 „ 



,, left hand, 



30-0 



23 



38 ,, 



Vital capacity, 



90 



76 



109 cubic in, 



Span less than stature in 1 case. 

 Span equal to stature in 1 case. 



Grasp of hands equal in 1 ease. 

 Colour sense normal in all. 



12-14 years (8 persons). 





Mean. 



Minimum. 



Maximum. 



Stature, 



. 1503 



1420 



1579 m.m. 



Height sitting, 



. 800 



764 



865 „ 



Span, 



. 1514 



1427 



1598 ,, 



Weight, 



87-8 



83-5 



107 lbs. 



Grasp of right hand, . 



42-9 



32-0 



55 ,, 



, , left hand, 



38-4 



30-0 



46 „ 



Vital capacity, 



112 



90 



125 cubic in, 



Span less than stature in 3 cases. 



