NH 2 OSTEOLOGY OF SLOTH CHAP. 
The zygoma is incomplete, though the part connected with the 
frontal has a strong downward process like that found in Diprotodon 
Bradypus tridactylus, (After de Blainville. ) 
Skeleton of Three-toed Sloth. 
98. 
Fic. 
and some other mammals. There is, moreover, a process from the 
squamosal, though it does not reach the anterior part and thus 
