A 
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 
lengthwise beneath its snare, and is readily confounded with 
adjoining objects.1_ Uloborus Walckenaerius is one of the 
spiders inhabiting Palestine, being among those listed from 
Syria by Mr. Cambridge. 
I have neyer seen the orbs in any other than a horizontal position. 
They measure from three to four and five and a half inches in diameter. 
Uloborus 
Walck- 
enaerius. 
Fic. 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- inary webs of Orbweavers. The radii diverge in the ordinary 
ters of | ‘ali Aiemale 7 : 
Snares. Way, but seem to be of a rather 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. 
