190 EXTINCT MONSTERS. 
The tessellated carapace of the Glyptodon was at first thought 
to belong to the Megatherium, with which the remains were 
associated, but Professor Owen clearly demonstrated the im- 
possibility of this idea. 
Fig. 51 represents Glyptodon clavipes (Owen) from the Pleisto- 
cene deposits of Buenos Ayres; but the reader will gain a much 
better idea of the animal by inspecting the splendid specimen of 
Glyptodon asper in the Natural History Museum, near the centre 
window at the east end of the Pavilion (Glass-case Q on plan). 
Plate XIX. is a restoration of another species by our artist.^ 
In the Museum of the Royal College of Surgeons (which the 
reader is recommended to visit) there are several most valuable 
specimens of these extinct armadillos from South America. 
Armadillos belong, with sloths and ant-eaters, to the same 
Fig. 51. — Extinct Gigantic Armadillo, Glyptodon clavipes^ from Pleistocene 
deposits, Buenos Ayres. (The tail sheath here represented probably 
belongs to another genus, Hoplophorus.) 
family of so-called toothless animals (edentata) with no front 
teeth, though one or two forms really are toothless. Those of the 
present day have their bony armour divided up into a series of 
bands, so that they can roll themselves up, more or less, into 
balls. They burrow under the ground, where they get their food 
to a certain extent, and live a safe life, protected by their casque 
* This plate is based on a beautiful drawing in a Spanish work, Anales del 
Museo publico Buenos Aires. G. Burmeister, M.D., Phil.D. Tomo Segundo. 
