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Show 602 MR. F. E. BEDDARD ON THE [May 29, arteries ancl veins in this genus, of which we have at present no knowledge save a few notes by I)r. Shufeldt*. Umbilical Vein.-It is extremely interesting to find in Helo-derma very considerable vestiges of the umbilical vein of the Text-fig. 99. Ventral surface of liver and related veins in Heloderma suspectum. JSp. Epigastric vein; L. Liver; Umb. Umbilical vein; V.c.i. Postcaval fcetus. This vein ends off somewhat obscurely posteriorly, gradually fading away without being connected, so far as I could * " Contributions to the Study of Heloderma suspectum," P. Z. S. 1890, p. 148. This paper concludes with a full bibliography. |
