PLATE ITI. 
VEINS IN PIG EMBRYOS. 
DAVID M. DAVIS. 
A.Vertebralis Dex. 
Art.Pulm. Dex. 
Te NG 
a =e AN Ze Vv.Bronchiales 
Way Auricle 
Ductus Cuvieri @ ‘) 
oe @; é Peri-Oesophageal 
¢ plexus 
Sinus Venosus 
Ventricle 
V.Portae 
entrallaniqen of 
Pan¢reas 
4 Dorsal 
Yolk sac 
V.Umbilicalis De 
Aa.Mesonephricae 
Ventré-lateral vein 
of Mesonephros 
VW/Subcardinalis Dex. 
PLaTE 3. Pig Embryo, length 8-8.5mm. No. 2302. Reconstruction of venous 
system of right side, mesial view from the left. The aorta, excepting its two 
extremities has been omitted. Text fig. 3 represents a section at the point 
“Site of V. Cava Inf.’”’ The position of the omphalo-mesenteric artery is shown 
by dotted lines. »X 15.5. 
THE AMERICAN JOURNAL OF ANATOMY, VOL. 10. No. 4. 
