ANIMALS OP NORTH AMERICA. 45 



one except a wolf could tell under which piece of meat it was 

 placed, and yet in the morning every piece of meat was gone 

 except the one hanging over the trap ; various other plans 

 were tried, with the same want of success, until the trapper 

 found that all attempts to catch these animals were useless, 

 and he therefore gave up the trial. 



THE DUSKY WOLF, a variety of the common wolf, frequents 

 also the same region, but is far less numerous, much larger 

 than the Prairie-wolf, and is remarkable for emitting a strong 

 odor. 



THE BLACK WOLF, another variety,, has been found in 

 British America, but is very rare ; it was also seen in the 

 Rocky Mountains by Long's expedition. Desmarest thinks 

 it a distinct species from the European, but not enough is 

 known of it to form any decision. 



