Superfamily Argiopoidea 



made evenly, but in such a way as to produce a mesh-like struc- 

 ture (Fig. 668). 



The agelenids differ from most web-building spiders in that 

 they do not hang from their webs, but run upon them with the 

 dorsal aspect of the body uppermost. 



The grass-spider often makes its web in the angles of buildings 

 and frequently in elevated structures. It is also often found 

 upon shrubs or high herbs at a considerable distance from the 

 ground; in such cases the typical form may be greatly modified 



Fig. 671. EGG-SACS OF AGELENA X.KVIA 



(Fig. 669). Another striking modification of the typical form 

 is shown in Fig. 670; here the retreat was in a stump and the 

 entire sheet was funnel-like. 



In the autumn the males wander in search of their mates; 

 and the females leave their webs to seek a suitable place for 

 building their egg-sacs. 



The egt;-sacs are placed in secluded situations; they are 

 often found beneath loose bark on trees and stumps. They are 

 disk-like, closely applied to the supporting object, and are partlv 



59' 



