PATAGONIAN EXPEDITIONS '. PALEONTOLOGY. 



EXPLANATION OF PLATE XXXI. 



PAGE 



Fig. i. HAPALOPS LONGICEPS, type : Skull, left side (No. 15,523) . . .182 

 Fig. 2. " " " " base 



Fig. 3. " " " " top 



All figures natural size. 



(VOL. v) 



