THE JOHNS HOPKINS HOSPITAL REPORTS 

 MONOGRAPHS. NEW SERIES No. V 



THE ORIGIN AND DEVELOPMENT OF 

 THE LYMPHATIC SYSTEM 



BY 



FLORENCE R. SABIN 



(From the Anatomical Laboratory of The Johns Hopkins University, Baltimore) 



BALTIMORE 



THE JOHNS HOPKINS PRESS 



1913 



[Copyright, 1913, by Th« Johns Hopkins Pret»l 



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/TL> 



