I) 



H 



K 



FIG. 161. Second layer of muscles of the breast, exposed by dissecting 

 away the pectoralis major in Fig. 160. After Spalteholz 



A, B, the two " heads " of the biceps ; C, cut end of the pectoralis major ; 

 D, deltoid ; E, pectoralis minor ; F, trapezius ; G, clavicle ; H, first rib ; 

 X, sternum. Note the direct attachment of the intercostal muscles to 

 the ribs (p. 8). Compare Fig. 160 



