40 



Ml?. F. E. BEDDARD ON THE 



[Jan. 16, 



individuals. This vein reaches the portal shortly after it has 

 reached the liver, collects blood from several intercostal spaces, 

 and runs back to nearly the level of the posterior end of the liver. 

 It is apparently generally present in the Ophidia and is not merely 

 a characteristic vein of the Vipers. 



Text-fis. 11. 



Portal veins of newly-boru Bitis nastconiis. 



Ep. Epigastric ; S. Heart ; L. Liver ; p. Parieto-hepatic veins, two of which receive 

 branches from stomach (St.), represented as cut oft at the end; P.V. Portal 

 vein ; 77. Umbilical vein ; V.c.i. Vena cava posterior. 



This vein received, in the most fully-developed specimen which 

 I examined, two veins from the stomach. There were in this 



