PLATE XLVI 



EXPLANATION OF FIGURE 



63 Adult man (after Wicke, Abb. 1, '27). Persistence of cardinal collateral 

 channel (C.C. in fig. 1), in conjunction with right posterior cardinal and right 

 supracardiual veins. Periureteric and circumumbilical venous rings present on 

 right side. Legends by Wicke. 



148 



