ncuR]-: I'.K) 



100 Hccoiisl nict ion of cephalic jxirlioii of azygos veins and anlages of azygos 

 segment of thoracic ducts in a 14 nun. ca( cnibrvo; (series 214, slides XIII. XR , 

 XV, XVI and XVII ), X 22ri. N'onl r.al view. 



1 Syinpathet ic nerve. 

 8 Precafdinal oi' precava of i-ijihl side. 

 3' Right azygos vein, thoracic ))ort ion. 

 6 Precardinal or jjrecava of left side. 

 (V Left azygos vein thoracic poi'tion. 

 .'U \'entro medial ;izygos ))le\us. 



