FIGURES 85 AND Sfi 



S5 Same, section 18. 

 86 Same, section 20. 



1 Sj-mpathelic nerve. 



12 Jufiular lynii)h t^ac, tlioracic duct approach. 



]'■] .luiinlar lymph sac, juguhxr approacli. 



14 Jufiular lymph sac, subclavian approach. 



21 ''I'hymus. 



22 \'atius. 



24 Thyrocervical artery. 

 2o Internal jugular vein. 

 29 Jutiulo-subchn iaii trunk. 



