ioo The Structure wad Habits of Spiders. 



that hold the cocoon to the nest, and finishes 

 off the edges with her jaws. 



The Lycosidce make their cocoons in the 

 same way, but rounder, and showing only 

 slightly the seam where the upper part was 

 attached to the lower. 



Fig. 57- 



The Lycosas carry their cocoons about, 

 attached to the spinnerets, as in Fig. 57, 

 bumping them over the stones without injury 

 to the young inside. 



Many spiders make their cocoons against a 

 flat surface, where they remain attached by one 

 side. Atttis mystaccus spins, before laying, a 

 thick nest of white silk on the under side of a 

 stone. In this she thickens a circular patch on 

 the upper side, next the stone, and discharges 

 her eggs upward against it, Fig. 58. They 

 adhere, and are covered with white silk. I 

 once had a spider of this species lay her eggs, 



