FIGURES 57 AND 58 



57 Transverse section tlimuiili left lower cervic-il iciiion of a 1 I iiini. cai ciiihrvo 

 (series 122, slide IX, section 21 1. X 150. 



58 Same, section 28. 



1 Sympathetic nerve. 



8 Oesophagus. 



9 Trachea. 



12 Jugulai' lyinj)h isac. thoiacic duet approaeli. 



13 Jugular lymph sac. jugular approach. 



14 Jugular lymph sac. subclavian approach. 

 K) Donso-medial somatic venous tributaries. 



21 Thymus. 



22 Vagus. 



23 Left carotid artery. 



24 Thyrocervical artery. 



25 Internal jugular vein. 



26 Common jugular vein. 

 29 Jugulo-subclavian trunk. 



