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museum, they would die if the tank was 

 not kept constantly supplied with ice. 

 The common domestic rabbit will thrive 

 in a warren ; it is a burrowing animal, and 

 needs protection from the cold. The hare, 

 or our common wild field rabbit, would die 

 in a warren ; it must have free, fresh air, 

 which the common domestic rabbit does 

 not need, and could not stand. The hawk 

 would die in a cage in a parlor, while the 

 canary bird thrives there and would die 

 of cold if exposed to conditions that are 

 essential to the hawk. 



So it is with the horse. His nature re- 

 quires an abundance of fresh air all the 

 time^ and he cannot be well, or do well, 

 without it. 



We thoughtlessly compare a horse 



