Mfl V'///.' LYMPHATICS. 



MiMivisimi : in such u way that the 1 trunk of t'ip canal, nt first single, becomes 



then 4ii:idriiplc, and c msequoully opens into tlie ve:iou^ .^y.sti'in l>y four distinct orili>-i s. 



Fig. 306. 



Fig. 307. 



Fig. 308. 



VARIETIES OF THE THORACIC UUCT IN THE OX. 



If the branches of the canal, instead of remaining isolated, send olf transverse anastomoses, 

 there results a complication of which Solipeds do not otter an example (Fig. 305). 



The thoracic duct is often double throughout its extent. The two canals are then 



