•^;L.l 



Fig. 155. Vascular supply to the digestive tract, Heptanchus maculatus. (Duncan Dunning, 

 del.) (Dorsal and ventral intestinal arteries and veins drawn relatively close togetlier in 

 order that they may be seen.) 



a.g., anterior gastric artery; a.gps., anterior gastro-pancreaticosplenic artery; a.gps.v., 

 anterior gastro-pancreaticosplenic vein ; a.i.a., anterior intestinal artery ; a.i.v., anterior 

 intestinal vein; ce., coeliae axis; d.i.a. and d.i.v., dorsal intestinal artery and vein; /;., he- 

 patic artery; h.p., hepatic portal vein; /.hi., inferior mesenteric; p.gs., posterior gastro- 

 splenic artery; p.gs.v., posterior gastrosplenic vein ; p.i.a., posterior intestinal artery ; p.i.v., 

 posterior intestinal vein; r., rectal artery; v.g., ventral gastric artery; v.g.v., ventral gastric 

 vein ; v.i.a., and v.i.v., ventral intestinal artery and vein. 



