PATAGONIAN EXPEDITIONS: PALEONTOLOGY. 



EXPLANATION OF PLATE LVIII. 



PAGE 



Fig. i. PLANOPS MAGNUS, type: Skull, right side (No. 15,346) . . . 323 

 Fig. 2. " " " " top view. 



Fig. 3. " " " " base. 



All figures natural size. 



(VOL. v) 



