SPIDER WEBS 



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paragraph describing the threads, and a third para- 

 graph about the spider that made the web. 



SUPPLEMENTARY WORK 



How an Orb Web is spun. — When an orb- web spider 

 spins its web, it first makes the straight lines that form the 

 spokes of the wheeh Then it starts at the center with the same 



Orb Web 



kind of lines and stretches threads round and round the web 

 from spoke to spoke as far apart as it can reach. At the outer 

 edge of the web it turns back and uses this first set of spiral 

 lines to walk on while it lays down a spiral of sticky lines near 

 together, destroying the first set as it works toward the center. 

 Late in an autumn afternoon look on bushes and weeds for a 

 spider spinning its web. 



