174 



AMERICAN SPIDERS AND THEIR SPINNINGWORK. 



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



twocn young pines. Simon saj's tliat the species lives upon dry brambles 

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



Hl^!"^^"^ lengthwise beneath its snare, and is readily confounded with 

 adjoining objects.^ 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 i)osition. 



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



Walck- 

 enaerius. 



Fii!. 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- 



Charac- dijun-y webs of Orbweavers. The radii diverge in the ordinary 



„ wav, but seem to be of a rather delicate material. In the .Juni- 



Snares. '' ' 



ata colony above named many of the webs were surrounded by 

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



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



