ANATOMY OF A U.x MM. IHMAN KM]5HYO 



F. W. THVXi; 



PLATE 



Reconsti'Liction to show the hiteral aspect of the left cephalic and cervical veins, and the left 

 [jugular lymph sac of a 17.8 mm. human embryo (H. E. C. 839). X 11.9 diams. 



Ill 



