PLATE VII 



R I. First rib (the middle portion has been removed). 



R 9. Ninth rib. 



R 13. Thirteenth rib. 



1. M. masseter. 



2. M. parotido-auricularis. 



3. M. sterno-ccphalicus (sterno-mandibularis). 



4. M. bracliio-ceplialicus. 



5. M. trapezius (tlie rhomboidcus was transected bencatlr the trapezius). 



6. M. splenius. 



7. M. longissimus dorsi. 



8. M. levator eostarum. 

 9-12. Peetoral museles. 



13. 13'. Cut edge of diaphragm. 



14. Parotid salivarj' gland. 



15. Sulimaxillan,r salivary gland. 



16. Trachea. 



17. Oesophagus. 



18. Heart. 



19. Reticulum. 



20. Pillar of oesophageal groove. The groove is immediately to the right. 



21. Vertical fold formed bj' the adjacent walls of the rumen and reticulum. The rumino-reticular orifice 



is just to the left of 21. 



22. Cavitjr of rumen. 



23. Abomasum. 



24. Parotid lymph gland. 



25. Mandibular lymph gland. 



26. Left tracheal lymph duct. 



27. Axillary and inferior cervical lymph glands. 



28. Terminal end of thoracic duct. 



29. Thoracic duct. 



30. A. carotis communis. 



31. A. axillaris. 



32. A. thoracica interna. 



33. A. vertebralis. 



34. Aorta. 



35. Pulmonan' arters^. The ligamentum arteriosum is immediately dorsal to 35 and the left pulmonary 



artery just to the right of it. 



36. V. jugularis externa. 



37. V. hemiazygos. 



38. V. epigastrica anterior. 



39. N. facialis. 



40. N. prescapularis. 



41. N. radialis. 



42. Nn. medianus and ulnaris. 



43. N. phrenica as it crosses the heart. 



44. Vagus ner\re, dividing into dorsal and ventral oesophageal branches. 



45. N. sympathicum. 



