ANATOMY OP THE LACERTILIA. 



17 



1904] 



four vessels emerging "from the parietes on the left side of the 

 vertebral column : these have just been referred to. This longi- 

 tudinal trunk, after giving off the four gastrohepatic vessels, 

 divides posteriorly into two branches {A, in text-fig. 5), which run 



Text-fiof. 5. 



Hepatic portal system of Fygopus lepiclopm. 



Ant.Abd., anterior abdominal ; A, origin of &, gastric branch of portal ; 

 L, liver ; Pv., portal vein ; St., stomach. 



side by side, and are connected by cross- anastomoses. One of 

 these branches joins the general portal system ; the other enters 

 the anterior abdominal vein just where it receives the portal 

 vein. 



Proc. Zool. Soc— 1904, Vol. II. No. II. 2 



