PATAGONIAN EXPEDITIONS! PALAEONTOLOGY. 



EXPLANATION OF PLATE XLVIII. 



PAGE 



Fig. i. ANALCIMORPHUS GIGAS(LEPTOCEPHALUS): Skull, leftside (No. 15,561) . 284 

 Fig. 2. " " " " top view. 



Fig. 3. " " " " base. 



All figures natural size. 



(VOL. v) 



