DEVELOPMENT LYMPHATIC SYSTEM IN AMNIOTES 305 





2 

 ISA 





si&^iSaiiS 



18 b 



.-.^S5ii 



Figure ISA and 18B 



1, Dorsal aortae 3, Periaortic Ij^mphatic sinus (coe- 



2, Anlages of periaortic lymphatics lomic duct) 



