V.Card.Ant.Dex. 
, i | 4, 
Aorta 
Ne Ductus Cuvier 
| Sinus Venosus 
Liver 
Ventricle /] 
q V.Portae 
V.Ventro-lat. of W.B 
V Vitellina 
Anastomosis 
- V.Omphalo-Mesenterica 
A.Omphalo-Mesenterica 
O° 
<a) 
Aa.Mesonephricae 440° |] ji ) Les 
IN V.Umb. Dex. 
Aorta , \ | 
wh 
V.Subcard. Dex. y oy. AUmb.Sin, 
a 7 
PuaTE1. Pigembryo, length 7.5-Smm. No. 2301. Reconstruction of venous 
system of right side, viewed from the right. The right umbilical vein is repre- 
sented as transparent, with the subeardinal, cardinal, etce., shining through. Note 
the large size of the anastomosis between the subeardinal and portal veins; fenes- 
trated character and large size of the right subcardinal; and the ventro-lateral vein 
of the mesonephros. X 19.0, 
