PLATE I 



MEDIAL OR INNER VIEW OF THE PECTORAL LIMB 



1. i' Posterior superficial pectoral. 



2. Anterior superficial pectoral. 



3. Posterior deep pectoral. 



4. Anterior deep pectoral. 



5. M. supraspinatus. 

 . 6. M. subscapularis. 



7. M. t^res major. 



8. M. latissimus dorsi. 



9. M. panniculus. 



9'. Aponeurotic tendon of panniculus. 

 10, 10'. Tensor fasciae antebrachii. 



n. M. caput longum tricipitis. 



12. M. caput mediale tricipitis. 



13. M. coraco-brachialis. 



14. M. biceps brachii. 



15. Aponeurotic tendon-slip from biceps brachii. 



16. M. flexor carpi internus. 



17. M. flexor carpi medius. 



17'. Ulnar head of flexor carpi medius. 



18. Ulnar head of flexor perforans. 



19. M. flexor perforatus. 



20. M. flexor perforans. 



21. A. axillaris. 



22. A. subscapularis. 



23. A. brachialis. 



24. A. profunda brachii. 



25. 25'. A. ulnaris. 



26. A. radialis posterior. 



VII, VIII, I, II, = 7th - 8th cervical and 1st and 2d thoracic nerves. 



27. Nerve to anterior deep pectoral. 



28. N. suprascapularis. 



29. 29'. N. musculo-cutaneous. 



30. 30'. Nn. to anterior and posterior superficial pectorals. 



31. Nn. to posterior deep pectoral. 



32. 32'. N. medianus. 



33. Nerve filament to biceps brachii (very rarely present). 



34. 34'. Cutaneous branch of N. medianus. 



35. Branch of N. medianus to M. humeralis obliquus. 



36. Branch to M. flexor carpi internus. 



37. Branch to flexor perforans. 



38. Small bi"anch to radial head of flexor perforans and to the radio-ulnar arch. 



39. 39'- N. ulnaris (a) cutaneous branch; (b) branch to M. flexor carpi medius; (c) branch to flexor 



perforatus; (d) branch to ulnar head of flexor perforans; (e) branch to ulnar head of flexor per- 

 foratus. 



40. M. radialis. 



41. Branch to caput longum tricipitis. 



42. Branch to caput longum, laterale, mediale and anconeus. 



43. Portion of N. radialis that continues along the spiral groove to the extensors of the metacarpus and 

 phlanges. 



Branch of N. radialis to the M. tensor fasciae antebrachii. 



Nerve to the panniculus and posterior deep pectoral. 



N. axillaris. 



Nn. subscapulares. 



Nerve to the M. latissimus dorsi. 



Axillary lymph gland. 



44 

 45 

 46, 



47- 

 48 



49 



49' L5Tnph gland. 



