BV W. J. S. McKAY. 355 



3. From N. accessorius to M. sterno-mastoideus. 



4. N. accessorius. 



o. From 2Cv. to N. accessorius. 



6. From 3 Cv. to N. accessorius. 



7. N. to trapezius (posterior) from N. accessorius. 



8. N. to trapezius (anterior) from N. accessorius. 



9. N. to rhomboid formed by branches from 2 Cv. and 3 Cv. 



10. Cutaneous branches to neck from 2 Cv. and 3 Cv. 



11. Nerve to M. acromio-trachelien (dorsal poi'tion). 



12. (ventral portion). 



13. N. hypoglossus. 



13a, et 14. From 1 Cv. et 2 Cv. to descending part of N. hypoglossus. 



15. N. to M. omo-hyoid from descending part of N. hypoglossus. 



16. Descending part of the N. hypoglossus. 



17. N. phrenicus. 



17a. communication with N. phrenicus from 4 Cv. 

 IS. Division of 4 Cv. to 5 Cv. 



19. Branches from N. phrenicus, and from 4-8 Cv., to sympathetic ganglia 



in neck. 



20. Branches from 3 Cv. to levator scapulte. 



20a, 20b. Branches from 5 Cv. and 6 Cv. to serratus. 



21. N. to M. costo-coracoideus. 

 21a. Branch from 21 to N. phrenicus. 

 21b. N. to M. sterno-epicoracoideus. 



22. N. siipracoracoideus. 



22a. N. to M. epicoraco-humeralis. 



23. Cutaneous twig to median line between clavicular deltoid and P. major. 

 23a. Cutaneous branch of N. supracoracoideus which pierces deltoid. 



24. Twig (to clavicular deltoid ?). 



25. N. to M. supraspinatus. 



26. N. to M. infraspinatus. 



27. N. axillaris. 



28. N. to deltoid (clavicular portion). 



29. N. to deltoid (scapular portion). 

 3U. Twig to M. infraspinatus. 



31. N. to teres minor and with twig from N. axillaris. 



32. 32a. Nn. to M. subscapularis (these communicate). 



33. Cutaneous branches to forearm. 



34. N. radialis superficialis. 



35. N. to teres major. 



36. N. to pectoralis major. 



37. N. to pectoralis quartus from 36. 



37a. Branch to 37 from second intercostal. 



38. N. to latissimus dorsi. 



38a. N. to scapular portion of latissimus. 



.39 et 39a. N. to anterior dorsal portion of latissimus. 



39b. Branch from 7 Cv. 



40. N. to posterior dorsal portitm of latissimus. 

 40a. N. to M. dorso-epitrochlearis. 



41. N. medianus. 



42. Outer (?) head of N. medianus. 



43. Inner (?) head of N. medianus. 



44. N. musculo-spiralis. 



