A. 



FIG. 216A. LIVER OF Rana esculenta. (From the ventral side.) 

 L, L 1 , L 2 , the different obes of the liver ; M, stomach ; Du, duodenum ; 



H, heart. 



FIG. 216B. PANCREAS AND LIVER OF FROG, TO SHOW THE ARRANGEMENT OF 



THEIR DUCTS. 



L, L 1 , L 3 , the lobes of the liver turned forwards ; G, gall-bladder ; Dcy, cystic 

 ducts, which, together with the hepatic ducts (Dh), form a network from 

 which three collecting ducts arise, and these unite to form the common bile- 

 duct (Dc) : the latter passes through the substance of the pancreas (P), 

 receiving further hepatic ducts (Dh 1 ), and the pancreatic ducts (P 1 ) ; at 

 Dc 1 it becomes free from the pancreas, and passes back to open into the 

 duodenum (Du) at Dc 2 ; Lhp, duodeno-hepatic omen turn ; M, stomach ; Py, 

 pylorus. 



