447 



mentioned veins that unite ventral to the arteries, there can be 

 seen a relatively small vein (DJJ.) that lies dorsal to the A. iliaca 

 communis sinistra and that unites the V, iliaca interna communis 

 with the V. iliaca externa sinistra. Compare Fig. 7 with Fig. 2 in 

 which this dorsal union is absent. Also compare Fig. 7 with Figs. 5 

 and 21 in which a similar union is present, although, relatively, of 

 more importance. 



V;;.e.d. 



Vies. 



Y.t.e.s- 



Vi.e.d. 



Fig. 6. 



Fig. 7. 



Vi.e.d. 



Vi 



e.s. 



Fig. 8. 



Fig. 6. Ventral aspect. Adult $, Type III, A. 



Fig. 7. Dorsal aspect of Fig. 6. 



Fig. 8. Ventral aspect. Adult ^, Type III, A. 



Fig. 9. Dorsal aspect of Fig. 8. 



I' Foramen. For other abbreviations see under Figs. 1 and 2. 



