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) 



