Eaton — Vertebrate Fossils from Ayusbamba, Peru. 149 



Parahipparion. 



Equine remains collected at Ayusbamba include several teeth, 

 a fragmentary skull and a portion of the distal end of a femur. 

 The teeth were all surface specimens, and there was nothing 

 about the manner of their occurrence to prove that any of 

 them belonged to the same individual as the skull. Two of 



Fig. 4. 



Fig. 4. Location of Mylodon humerus (indicated by arrow-point) by the 

 side of the road from Cuzco to Ayusbamba. 



them, however, may be from one individual, not necessarily 

 because they were picked up within a few rods of each other, 

 but because they show equivalent structure, size and stage of 

 wear. These two teeth, first and second functional lower 



