Am. Jour. Sci., Vol. XXXVII, Feb., 1914. 



Plate V. 



Fig. 1. Dibelodon bolivianos, fragment of right tusk, x 



Fig. 2. The same fragment, proximal end. x 0'29. 



Fig. 3. Dibelodon bolivianus, left lower molar, x 0'29. 



Fig. 4. The same tooth, labial surface, x 026. 



Fig. 5. Mylodon sp., right humerus, anterior view. x0' 



Fig. 6. The same specimen, external view, x 0"25. 



0-26. 



