268 



LABORATORY MANUAL FOR VERTEBRATE ANATOMY 



B 



a 



D 



u 



FIG. 59. Diagrams to show the development of the postcaval vein in the cat. The cardinal 

 system of veins is crosshatched, the subcardmal veins closely stippled, the hepatic veins indicated by 

 cross, vertical, and oblique hatching combined, the supracardinal veins by open stippling, and the 



[Continued on opposite page] 



