330 COMPARATIVE ZOOLOGY. 
ered with fur, never with spines or scales. Except the 
Opossums of America, all are restricted to Australia and 
¢ 
\ 
\\ 
Fig. 322.—Virginian Opossum (Didelphys Virginiana). 
adjacent islands. The Wombat, Kangaroo, and Phalanger 
are herbivorous; the Bandicoot, Opossum, Hylacinus, and 
Dasyurus are chiefly carnivorous. 
3. Hdentates.—This strange order contains very diverse 
forms, as the leaf-eating Sloths and the insectivorous Ant- 
eaters and Armadillos of South America, and the Pango- 
lin and Orycteropus of the Old World. The gigantic fos- 
sils, Megatherium and 
this group. The Sloths 
Fria. 323.—Skull of the Great Ant-eater (Myrme- and Ant-eaters are cov- 
cophaga jubata) : 15, nasal ; i, frontal ; 7, pa- ered with coarse hair ; 
23, tympanic; 78, lachryimel; 8% lower mana the Armadillos and 
Spa ie ga: Pangolins, with an ar- 
mor of plates or scales. The Ant-eaters and Pangolins 
are strictly edentate, or toothless; the rest have molars, 
wanting, however, enamel and roots. In general, it may 
be said that the order includes all quadrupeds having sep- 
