V.Jugularis Ext. V.Jugularis Int. 
A.Pulmonalis 
Peri-Oesopnagael Pléxlus V/.Cephali 
ica 
Ventrigkt—— = 
Auricle i A.Subclavia 
ME aipovells V.Basilica 
Oesophagus 
A.Coeliaca 
XS 
G2 
»»MeSenterica Sup. 
HE Subeardinal portion 
By 
0 | 
<4 f C 
Re BB oo 
Aa. Mesonephricae 
Cardinal portion 
of Vena Cava 
A.Mesenterica Inf. 
R.Kidney 
Puate 6. Pig Embryo, length 16.2 mm. No. 21. Reconstruction of venous 
system of right side, mesial view from left. The omphalo-mesenteric inf. mesen- 
teric and coeliac arteries have been cut off not far from their origins. A portion 
of the umbilical vein has been removed. The stomach has been removed from its 
position, over the venacava. The right kidney is shown in section. The stumps 
of the left Wolffian duct and of the left ureter are shown. ‘The three cross anasto- 
moses of the venous system are shown at zz, x. X 11.1. 
