130 



THE DISTRIBUTION OF ARTERIES. 



parts with a branch, the external thoracic, which ramifies over 

 the ribs ; behind the fore leg, in the seat of the spur vein. 

 The humeral artery having arrived at the anterior part of the 



FIG 10. 



THE INSIDE OF THE FORE LEG. 



a, The axillai'y. 



b, The humeral thoracic. 



c, The internal thoracic. 

 d) The dorsalis scapulae. 

 e. The subscapularis. 



/, The external thoracic. 

 g, The humeral. 



h, Branches to the triceps extensor 

 brachii. 



i, Branches to the flexor brachii. 

 j, The spiral. 

 k, The ulnars. 

 I, The radial. 

 m, The radial medullary. 

 n, The small metacarpal. 

 0, The large metacarpal. 



bone, near to the inferior articulation of the humerus, makes 

 a fresh division, giving off considerable branches; one of which 



