IS ON THE ANATOMY OF THE 



and has an extremely small thumb, which scarcely 

 reaches down two-thirds of the length of the meta- 

 carpal bone of the fore finger. When the arm is 

 hanging by the side, the points of the fingers are 

 full three inches below the knees. The following 

 measurements give the proportions of different parts 

 of the superior extremity. 



The whole extremity from top of the humerus Inches - 



to the top of the middle finger, ~ 18.5 



Length of the scapula from the acromion to 



its base, - * 3.7 



Greatest breadth of the scapula directly across, 1.5 



Length of the humerus, 6.6 



— — ulna, 6.4 



— — radius, 6 1 



carpus, 0.7 



— hand including the carpus,... -5.7 



Breadth of the hand across the lower extremi- 

 ty of metacarpus, • 1.7 



Length of the thumb, (metacarp. 0.9, first 



phalanx 0.7, second phal. 0.3,) * 1.9 



2d finger, (metacarp. 2.2, first 



ph. 1.3, second ph. 0.9, third ph. 0.3,) ...... 4.7 



* 3d finger, (metacarp. 2.1, first 



ph. 1.6, second ph. 1.2, third ph. 0.3,) 5.2 



. — 4th finger, (metacarp. 1.9. first 



ph. 1.5, second ph. 1.1. third ph. 0.3,) 4£ 



— — 5th finger, (metacarp. 1.7, first 



ph. 1.1, second ph. 0.8, third ph, 0.3,) 3.& 



