36 
FOREIGN FOSSILS. 
These Specimens are Exhibited in the South 
Gallery. 
Part of the floor-space is occupied by large cases and 
restorations. 
Colossochelys atlas . — This is a restoration of fragments 
of the carapace and plastron of a giant Tortoise from the 
Lower Pliocene beds of the Siwalik Hills, India. It probably 
measured about eight feet in length. The living Giant Tortoise 
of the Galapagos Islands off the coast of South America, and 
the Mascarenes near Madagascar, measures about four feet 
long. 
The Edentates or group of the Sloths are here represented 
by magnificent casts of the Giant Sloth (Megatherium) 
and the curious carapaced Glyptodon with armoured tail ; 
Fig. 38. Restoration of the Giant Sloth — 
Megatherium americanum. 
both are from the Pleistocene or Pampas Formation of South 
America. A group of outline sketches of the contemporaneous 
animals of this Pampas Formation is framed, above the 
Mammal case. 
The extinct Elephants are represented by casts of the 
cranium of the Lower Pliocene Deinotherium, which has a 
pair of tusks only in the lower jaw, and the Mastodon 
