PLATE 4. 

 Mylodon garmani. 



Fig. 16. — Tip of loft ramus of a Mylodon from Oregon, considcrpci as representing M. harlani. 



Fig. 17. — -Portion of a dorsal vertebra showing three artieulating facet.s anteriorly. On its posterior 

 side there are but the usual two facets, since it is the last of the three-faceted vertebrae. 



Fig. IS. — Spine of one of the vertebrae anterior to the last, showing three facets on its posterior aspect. 



Fig. 19. — Dorsal view of the atlas. 



Fig. 20. — Lateral view of the axis. 



Fig. 21. — Ental aspect of the fibula, showing (at the right-hand end) the facet for articulation with the 

 upper end of the tibia, and (at the left-hand end) the astragalar and the tibial facets at nearly 

 right angles but in contact. The surface of the former is slightly crushed. 



