174 



AMERICAN SPIDERS AND THEIR SPINNINGWORK. 



neighborhood of Nuremberg on the edge of forests, building its snare be- 

 tween young pines. Simon says that the species lives upon dry brambles 



or in the cavities of old walls, that it is always found stretched 

 Uloborus i en gthwise beneath its snare, and is readily confounded with 

 enaerius adjoining objects. 1 Uloborus Walckenaerius is one of the 



spiders inhabiting Palestine, being among those listed from 

 Syria by Mr. Cambridge. 



I have never seen the orbs in any other than a horizontal position. 

 They measure from three to four and five and a half inches in diameter. 



FIG. 161. The orb of Uloborus on a laurel bush. The curled spiral thread is represented, and the remnants 

 of a former web pushed back to the margin. 



The hub is generally closely and beautifully meshed, like the snare of the 

 Labyrinth spider, and the central space is entirely filled up by concentrics, 



corresponding with those composing the notched zone in the or- 

 Sharac- di narv we bs of Orbweavers. The radii diverge in the ordinary 

 Snares wa ^' ^ u ^ seem ^ ^ e ^ a ra ^her delicate material. In the Juni- 



ata colony above named many of the webs were surrounded by 

 what appeared to be the collapsed remains of a former snare. The spiders 



1 " Arachnides de France," Vol. II., page 169. 2 Proc. Zool. Soc., 1872, Part I., page 279. 



