58 
FOSSIL MAMMAL GALLERY. 
a smaller, but nearly allied forra, an almost perfect skeleton 
is exhibited in a glass case near the Megatherium. Close by is 
a portion of the skin of one of these animals, from a cave in 
Patagonia, showing the hair, and also the nodules of bone 
with which the inner surface is studded. Not far off is 
the Glyptodon, a huge extinct Armadillo, enclosed in a 
solid barrel-like bony case. As these animals far surpassed in 
size their diminutive existing representatives, so the gigantic 
