FIGURES 44 TO 4!i 



44 Same, section 11. 



45 Same, section 12. 



46 Same, section 13 



47 Same, section l4. 



48 Same, section 15. 



49 Same, section 16. 



1 Synipatlictic nerve. 



8 Oesophagus 



9 Trachea. 



11 Jugular hmph sac. 



12 Jugular lymph sac. thoracic duct approacli. 



16 Dorso-inedial somatic venous tributaries. 



17 Prevertebral venous ple>ais. 



22 Vagus. 



23 Left carotid artery. 



24 Thyrocervical arter}-. 



25 Internal jugular vein. 

 29 Jugulo-subclavian trunk 



