American spiders and their spinningworkA natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Fig. Fig. 349. Section view of curved burrow of Stothis astuta, showing double trapdoor ;. 350. The globular burrow, with trapdoor of Stothis cenobita. (Section view.) Fig. view of trapdoor. (Natural size.) 414 AMERICAN SPIDERS AND THEIR SPINNINGWORK. simply a rounded chamber underneath the surface and closed by a trap-door, Fig. 352, whicli differs in no particular, as far as I can observe, fromthe ordinary trap
American spiders and their spinningworkA natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Fig. Fig. 349. Section view of curved burrow of Stothis astuta, showing double trapdoor ;. 350. The globular burrow, with trapdoor of Stothis cenobita. (Section view.) Fig. view of trapdoor. (Natural size.) 414 AMERICAN SPIDERS AND THEIR SPINNINGWORK. simply a rounded chamber underneath the surface and closed by a trap-door, Fig. 352, whicli differs in no particular, as far as I can observe, fromthe ordinary trapdoor of the American Cteniza californica. (See7. Bur- Fig 240 B, page 183.) °r^ k ^^ ^^ difficult to say what may be the enemies of the Trapdoor Door spider against which such ingenious architecture has been reared and such vigilant watch is exercised. But the quite general testi-mony is that these spiders leave their tubes at night and go forth in searchof prey; or, as in other cases, open the lids of their tunnels and spread strag-gling lines near by, upon which passing insects are entangled and delayedlong enougli to allow the spiders to pounce upon them f
Size: 1985px × 1259px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectspiders, bookyear1890
