.,f "1^ 



v^; 



Fig. 10, A Pancreas and duodenum of 60 mm. i)ig foetus, ventral aspect. 

 Nearly complete injection of ducts, illustrating progress in formation of main 

 duct-channel through the pancreas. X 10. 



Fig. 10 B Detail from same as shown by lines. The anastomosing system is 

 beginning to give place to branching, non-anastomosing twigs. D, duodenum; 

 Dt, pancreatic duet. X 40. 



225 



