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Show 40 MB. 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 Yipers. Text-fig. 11. Portal veins of newly-born Bitis nasicornis. ^Epigastric ; H. Heart; L. Liver ; p. Parieto-hepatic veins, two of which receive branches from stomach (St.), represented as cut off at the end; P.F. Portal vein; U. 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 |