PATAGONIAN EXPEDITIONS I PAL/EONTOLOGY. 



EXPLANATION OF PLATE XIII. 



PAGE 



Fig. i. PROEUTATUS LAGENA : Skull, left side (No. 15,613) .... 65 



Fig. 2. " " " base (No. 15,613). 



Fig. 3. " top (No. 15,613). 



Fig. 4. PROEUTATUS ROBUSTUS, type : Skull, right side (No. 15,214) . . 43 



Fig. 5. " base (No. 15,214). 



Fig. 6. PROEUTATUS sp. Occiput. 



Fig. 7. PROEUTATUS LAGENA : Caudal vertebrae (No. 15,958) ... 66 



All figures natural size. 



(VOL. v) 



