A ROCK fell from a high cliff and struck upon 

 solid granite near a grizzly whom I was 

 watching. There was a terrific crash and roar. Un- 

 mindful of the flying fragments and pieces bound- 

 ing near, the grizzly reared up and pressed fore 

 paws over his ears. Just as he was uncovering them 

 the echo came thundering and booming back from a 

 cliff across the lake. Again he hastily covered his 

 ears with his paws to soften the ear-bursting 

 crash. 



On another occasion a wounded bear took refuge 

 in a small thicket where the hunter was unable to 

 get a shot at him. After failing to force the bear into 

 the open, the hunter gave a wild, ear-splitting yell. 

 With a growl of pain the bear at once charged furi- 

 ously through the thicket toward the hunter. 



A grizzly has supersensitive ears, and loud, harsh 

 sounds give his nerves a harrowing shock. Through 

 his higher development the grizzly probably suf- 

 fers more intensely and enjoys more fully than 

 other animals. The clashing city noises must be a 

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