150 



AMERICAN SPIDERS AND THEIR SPINNINGWORK. 



FIG. 186. 



Fio. 185. 

 Typical Saltigrade Cocoons. 



FIG. 183. Sewed leaf tent of a Saltigrade spider. FIG. 184. Leaf opened to show the silken cell 

 and the egg mass (enlarged) in the open cocoon. Fio. 185. Cocoon nest of Phidippus opifex. 

 (Natural size.) FIG. 186. Fac simile of a figure of an Attus cocoon nest, by Baron De Geer. 



