PATAGONIAN EXPEDITIONS: PALEONTOLOGY. 



EXPLANATION OF PLATE XLVI. 



PAGE 



Fig. I. Megalonychotherium atavus, type: Skull, top view (No. 15,593). 278 

 Fig. 2. '' '' '' Occiput. 



Fig. 3. '' '' '' Skull, base. 



Fig. 4. '' " " '' right side. 



All figures natural size. 



(vol. v) 



