521 



Oz. Av. 



4. Rhomboideus, 8*5 



Oz. Av. 



a. Externus, vel levator anguli inferioris scapula, 7*0 



b. Internus, 1*5 



8-5 



5. Serratus magnus, 79*0 



Includes the levator anguli scapula superioris. 



6. Teres major, 21*0 



7. Latissimus dor si, 61*0 



Has tendon in common with teres major. 



8. Tricipiti accessorius, 22*0 



This muscle takes its origin from the ribs, and forms a costal head 

 of the triceps, into the back of which it passes, behind the olecranon 

 process. 



9. Subscapulars, 28*0 



10. Pectoralis minor? 98'0 



Origin ; from the sternum and first six ribs. 



Insertion ; into the pectoral ridge, from the greater to the lesser 

 tuberosity of the humerus. 



11. Pectoralis major? 49 '5 



Origin; from the keel along the anterior half of the sternum, and 



from the ribs. 



Insertion ; into the oblique line down the whole inner side of the 

 ulna. 



12. Pectoralis avium ? (subclavius ?) 24*0 



Origin ; from the first rib and side of the top of sternum. 



Insertion ; into the outer summit of the greater tuberosity, and 

 by fascia passing over the supraspinatus, into the scapulas — levator 

 humeri. 



13. Coraco-brachialis, 2*5 



Origin ; from the coracoid process inside the biceps. 

 Insertion ; into the inner and anterior side of the middle of the hume- 

 rus, by a flat insertion, three inches in length. 



14. Deltoideus scapularis, 25*5 



Origin ; from nearly the whole length of the spine of the scapula. 

 Insertion ; into the outer side of the great tuberosity. 



W. B. — The deltoideus clavicular is is merged in the cervico humeralis, 

 or trapezius clavicularis No. (2), which forms a part of the great delto- 

 trapezius. 



