FIGURES 1()4. 1(1.-) AND Kifi 



164 Same, section 25. 



165 Same, section 24. 



166 Same, section 23. 



1 Sympathetic nerve. 



4 Atrojihying embryonal \-ein, I'orminjr kernel in interior of (icxcio])- 



ing and repiacinji lyinphat ic space. 



5 Extraintimal or perivenous lymphatic space surrounding degen- 



erating endjryonal vein. 

 8 Oesophagus. 

 17 I'revertehral venous i)lexiis. 



