PLATE XXVIII 



EXPLANATION OF FIGURES 



36 Adult cat (Darrach Series), Type BC. Persistence of right and left 

 supracardinal veins. Persistence of intersupracardinal anastomosis in midlumbar 

 region, dorsal to aorta, between supracardinal veins of opposite sides. 



37 Adult cat (Darrach Series), Type BC. Persistence of right supracardinal 

 and cranial half of left lumbar supracardinal vein. 



112 



