American spiders and their spinningworkA natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Fig. J. Fig. 114. Fig. 112. Cocoon of Theridium frondeum, magnified. Fig. 113. The same, natural size, suspendedin natural site. Fig. 114. Cocoon of Argyrodes trigonum, much enlarged, to show the 115. The spiral thread on the cap and stalk. Fig. 116. Cocoons of Ero variegata, twicenatural size. (After Blackwall.) IIG AMERICAN SPIDERS AXD THEIR SPINNINGWORK. variegatum), a little sj^idpi ot uncommon in England, which wou
American spiders and their spinningworkA natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Fig. J. Fig. 114. Fig. 112. Cocoon of Theridium frondeum, magnified. Fig. 113. The same, natural size, suspendedin natural site. Fig. 114. Cocoon of Argyrodes trigonum, much enlarged, to show the 115. The spiral thread on the cap and stalk. Fig. 116. Cocoons of Ero variegata, twicenatural size. (After Blackwall.) IIG AMERICAN SPIDERS AXD THEIR SPINNINGWORK. variegatum), a little sj^idpi ot uncommon in England, which would arrest the attention of even an indifferent person. It is of an elegant pear shape, formed of a strong yellow brown silk network, and attached by ^°. ^ a long elastic stem of the same material to stalks of dead grass,variegata . . sticks, or other substances in shady places. ^ It is often placed on the under side of rocks, stones, etc. The envelope is double, an innersac being formed of soft i)ale brown silk, loosely woven and enclosed in acoarse covering of dark reddish brown threads, which unite and form thestalk. Tlie diameter of the cocoon is about o
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectspiders, bookyear1890
