CLASS MAMMALS: ORDER CARNIVORA. 



Fig. 1*8. 



of the known species. Its long head and bushy tail, resem- 

 bling those of the Fox, 

 mark the transition 

 from the Canida3 to the 

 Mustelidse. The Sable 

 is arboreal, climbing 

 with ease to the highest 

 branches in pursuit of 

 birds and eggs. Its fur 

 will lie smoothly in any 

 direction. 

 The Weasel, at the 



., , . MusWapennemfii, Fisher, ft. 



north, during summer, 



is reddish-brown above and white beneath. It changes from 



brown to white in October ami November, and back again in 



Fig. l&. 



Musttla americana, Marten or Sable. 



March, except the extremity of the tail, which is always 

 black. At the south, the same species does not vary its fur. 



