EXPLANATION OF PLATE IIL 



Paehycyon robustus. (All of the figures are of natural size.) 



Fia;. 1. Pelvis, external surface. 



Fig. 2. The same, ventral surface, direct view of iscliioiiuliic iKirtiim. 

 Fig. 3. The same, ventral surface, direct view of iliac portion. 

 Fig. 4. The same, dorsal view. 



