THE NEOTROPICAL REGION 



57 



novemcincta), which extends into Texas, absolutely con- 

 lined to the Neotropical Region, and are eminently 

 characteristic of its mammal-fauna. The Sloths (Brady- 

 podidcv) of the present epoch at least, are entirely arboreal 



Fig. 8. — Hoffmann's Sloth. 

 (Choi opus hoffmanni.) 



in their habits, and pass their lives suspended by their 

 limbs on the underside of the branches of trees (Fig. 8). 

 The Ant-eaters (Myrmecophagidse) are also mainly in- 

 habitants of forests, and one of the three existing forms 

 (Cyclothurus) is exclusively arboreal. A second (Taman- 

 dua) may be said to be semi-arboreal, but the largest — the 



