RIA.Proc, Ser.II. Vol II. Science. 



Plate 5 , 



Pig. 2 



J ,-P.i.c. 



h-. 



'■ Min. R.i.c. 



Pm-^: 



Alex, Macalister ad na-t del^ 



Mmterr. Bros iir.p 



Retro -.peritoneal Cavities. 



