PLATE 2 



EXPLAXATIOX OF FIGURES 



39 Ventral view of a reconstruction of the hepatic ducts and gall-bhidder 

 of an Amblystoma embryo 14 mm. long. X 100. 



40 Dorsal view of the same reconstruction. X 100. 



41 Ventral view of a reconstruction of the hepatic ducts and gall-bladder of 

 an embryo 13.5 mm. long. X 100. 



42 Dorsal view of a reconstruction of the hcijatic ducts and gall-bladder 

 of an embryo 15 mm. long. X 100. 



43 Right ventral view of a reconstruction of the liopatic ducts and gall-bladder 

 of an embryo 20 mm. long. X 100. 



D., duodenum M.R.l.d., medial brancli right lateral 



D.chol., ductus choledochus ramus 



D.cy., cystic duct .l/./?./..s\, medial branch left lateral 



D.h.d., right hepatic duct ramus 



D.h.s., left hepatic duct M.R.ni.d., medial branch right medial 



D.P., pancreatic duct ramus 



g.h., gall-bladder }f.Rjn.s., medial branch left medial 



L.Br., left branch of common ramus ramus 



L.R.I.d., lateral branch right lateral R.Br., right Ijranch of common ramus 



ramvis /I'./.-s., left lateral ranuis 



L.R.l.f^., lateral branch left lateral R.l.d., right lateral ramus 



ramus R.tn.s., left medial ramus 



L.R.m.d., lateral branch right medial R.in.d., right medial ramus 



ramus Z.. extra duct in 13.5 mm. Am])lystonia 



L.R.m.^., lateral branch left medial (■m])ryo 



ramus 



270 



