THE SPIDER AND ITS ALLIES 87 



foundation space, without the spiral lines, and at the outer 

 margin of the web. No study is more interesting than 

 that of the details of construction of these parts of the 

 spider web, while they are being made out of doors or in 

 large glass jars. 



FIG. 8-1. Orb-web of Epeira. a, first spiral line ; b, second spiral line ; c, line 

 to nest. From Emerton. 



3. Line- weavers (Retitelarise 1 ). Of this group The- 

 ridium is a type. The web consists of a fine irregular mesh 

 with strands running above and below in various direc- 

 tions. 2 The spider stands below the main part of the net, 

 back downward. 



1 rete, net ; tela, web. 2 Fig. 85. 



