Spid 



ers 



the air. The warm air current carries it upwards and 

 the slightest breeze in the upper layers of the air is 

 sufficient to carry our little aeronaut for some distance. 

 The youngsters are not so completely at the mercy of 

 the breeze as might be thought, for when the journey, 

 in the opinion of the little voyager, has lasted long 

 enough he simply hauls in the silken strands, to which 

 he owes his buoyancy, rolls them into a ball and gently 

 descends to earth. 



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