PATAGONIAN EXPEDITIONS : PALEONTOLOGY. 



EXPLANATION OF PLATE LIX. 



PAGE 



Fig. I. Planops longirostratus : Skull, top-view. Amer. Mus. Nat. Hist. 



(No. 9.302) 326 



Fig. I a. '' - Skull, base. 



Fig. id, '' - Skull, leftside. 



Fig. 2. Prepotherium filholi? Mandible, right side. Amer. Mus. Nat. 



Hist. (No. 9,573) 329 



Fig. 2a. '' '' Mandible, crown-view. 



All figures natural size. 



(vol. v) 



