Rural School Leaflet 



89 T 



the stronger spiderlings within the sac devour their weaker brothers -and 

 sisters — a fate which the latter seem to take calmly, as if it were a 

 perfectly natural proceeding. Thus, from a nest containing originally 

 500, perhaps not more than 40 or 50 spiders will emerge . 



£gg 5ac 0/ a large orb weaver 



2. Spiders use silk as a means of getting about in the air. If we dis- 

 turb a spider's web the spider will drop to the ground, extending as it 

 goes a line that keeps it from falling; and as soon as all is well, it cHmbs 

 back up its rope ladder and returns to the net. But if a spider wishes to 

 make a bridge from one point to another, it spins a thread that floats 

 away on the breeze; the thread is sticky and as soon as it touches something 



