356 



R. S. Lull — Pleistocene Ground Sloth, 



Fig. 9. 



Fig. 9. Sacrum of Mylodon harlani, No. 10266, Yale collection, fractured 

 to show extent of neural canal. Cross lines indicate broken portions. One- 

 fourth nat. size, a, dorsal aspect. 6, viewed from the rear, showing reduc- 

 tion of centra, nc, neural canal. 



