LAND SPJDEES. 247 



webs as far as the eye can reach, and any one who 

 happens to be abroad at the time will be quite covered 

 with web and Money-spinners. 



The same laws which caused them to rise, regulate 

 their descent. Moisture is always more or less present 

 in the air, and the Gossamer webs take it up, though in 

 the form of invisible vapour. But, when they come 

 across a stratum of colder air, the moisture is at once 

 condensed in tiny globules along their threads, and its 

 weight brings them gently to the ground. 



