190 CUEIOUS HOMES AND THEIfl TENANTS. 



tlie surface of the water, fills it with air, and lives in 

 it as in a diving bell. 



Her home is egg-shaped, about the size of an 



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vv ^Lur ypiaor una riesc. 



acorn, and is secured 

 by lines in every direc- 

 tion to adjoiuhig water 

 plants. 



The door is on the 

 underside, so that the air 

 can not escape, open in 

 the summer time for the 

 inmate to go out and come in at pleasure, but closed in 

 winter while she is taking her long sleep. Here she 



