Page:The spiders of the northern states-1901.djvu/57

 THE CURLED-THREAD WEAVERS.— C/NIFLONID 4.

These spiders have been separated from the others, because the adhesive threads which they spin are curly. They have in front of the usual spinnerets an additional spinning organ called the cribe//wm and on their hind feet a comb-like intrument extract the threads from the cribellum.

a row of stiff spines — called the calamiéstrum, which they use to

According to the way in which they make their webs, they are divided into two sub-families.

1. The Dictynide, otherwise like Theridide or some Drasside (Amaurobius), spin irregular webs covered with curly threads, on plants, flowers or walls, and watch them from some tube or crevice, They are all very small spiders.

2. The Uloboride build regularly planned webs.

HYPTIOTES. ‘The triangle spider.

3. H. cavata. ¥% in. long. Blackish brown with white dots and lines and five pairs of warts on its body part. Its legs and eyes are like Epetra; the lower side eyes almost invisibly small. It builds a triangular web, like a section of an orb-web of only four spokes, To be found mostly on pine trees.

ULOBORUS.

4. U. plumipes. in. long. Brownish. Body part with black lines and two warts on forward ( | part. Legs with dark rings. The eyes are like Zetraguatha. The web resembles an orb- \\ }/ web in shape, but is placed horizontally. The spider guards it from the under side, with his f legs extended in a straight line like Zetragnatha. It builds in holes or hollow logs. aN

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