224 



GEORGE W. CORNER 



Fig. 9 Pancreas and duodenum of a pig foetus 50 mm. long, ventral aspect; ducts of 

 head of pancreas completely injected. The main duct is now well formed, but the capillary 

 ducts are still plexiform. D, duodenum; Py, pylorus; Dt, main duct. X 17. 



