352 HISTORICAL PALZONTOLOGY. 
the Glyptodon clavipes, from the tip of the snout to the end of 
the tail, was more than nine feet. 
There are no canine or incisor teeth in the Glyptodon, but 
Fig. 261.—Skeleton of M/ylodon robustus. Post-Pliocene, South America. 
there are eight molars on each side of each jaw, and the crowns 
of these are fluted and almost trilobed. ‘The head is covered 
Fig. 262.—Skeleton of Glyptodon clavipes. Post-Pliocene, South America. 
by a helmet of bony plates, and the trunk was defended by an 
armour of almost hexagonal bony pieces united by sutures, and 
