PLATE 9 



EXPLANATION OF FIGURES 



53 Anterior view of a reconstruction of the gall bladder and liver ducts of an 

 Acanthias embryo 33.1 mm. long (S.C. 8). X 50. 



54 Ventral view of a reconstruction of the gall bladder, liver ducts, and a part 

 of the gut of the same embryo. X 50. 



D.chol., ductus choledochus 



D.cysl., cystic duct 



D.hep.l., left hepatic duct 



D.hep.r., right hepatic duct 



D.vit., vitelline duct 



Duo., duodenum 



G.bl., gall bladder 



iB.a.L,/?.fl.w., anterior left hepatic ramus 



R.a.r., anterior right ramus 



R.d.l., dorsal posterior left ramus 



R.l.m., left medial ramus 



R.p.L, posterior left ramus 



R.r.m., right medial ramus 



St., stomach 



V.int., valvular intestine 



408 



