OPTICAL ILLUSION ON THE FLATTE. 



89 



thought that they discovered several large animals 

 feeding in the prairie, at the distance of half-a-mile. 

 These, they believed, could be no other than huge 

 bisons, and after much consultation on the best 

 method of surprising them, two of the party dis- 

 mounted, and stealing cautiously about one-fourth 

 of a mile, arrived near the place, where fed, as they 

 imagined, the terrific bisons; but great was their 

 surprise, when, instead of shaggy manes, and horns 

 prepared for battle, they saw only a quiet turkey, 

 leading on her brood of half-grown young. 



THK CHATI, (Felis colofolo.) 



The Chati (Felis colocolo), of M. Cuvier, which 

 approximates to the chervals and tigers of the old 

 world, next engages our attention. 



