5 I 



2 3 



Fig. 76. DISSECTION OF THE BACK. i, Ligamentum nuchae. 2, Third occipital 

 nerve. (Internal cutaneous branch of the third cervical nerve.) 3, Great occipital nerve. 

 4, Trachelomastoid muscle. 5, 5, Complexus. 6, Posterior part of sternomastoid. 7, 

 Transversalis cervicis. 8, Cervicalis ascendens. 9, Scalenus posticus. 10, Serratus pos- 

 ticus superior, n, Posterior scapular artery. 12, Longissimus dorsi. 13, Accessorius ad 

 iliocostalem or ad sacrolumbalem. 14, Erector spinae. 15, Splenius capitis. 16, Rhom- 

 boideus minor. 17, Rhomboideus major. 18, Levatoranguli scapulae. 19, Supraspinatus. 

 20, Spine of scapula. 21, Clavicle. 22, Acromion process. 23, Teres minor. 24. Outer 

 head of triceps. 25, Long head of triceps. 26, Tendon of latissimus dorsi. 27, Teres 

 major. 28, Serratus posticus inferior. 29. The vertebral aponeurosis. 



