. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. Spinners of Silk. 309 il^ exit , it l),,uni,> a mâ,l, will .â¢a>v. tthil-l inlrv on the iwri "' -'"^ '"" â ' «'" â¢*⢠â ''"" "" Al 'hi- upi^r part I ,«,«â. i, nât .I,,,..! ii, but tajHT, t., a ,,.ânt .1 .traiKht , . â«inK. Th--- mMV 1m. ,,â, .â »;aiii>t from ..utMil,. with,,,,! yirhlinn, but v,rv ^liulit pn,,iire frnni »ilhin will -rve l(, separate .ind the optniiiK, At a little .l
. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. Spinners of Silk. 309 il^ exit , it l),,uni,> a mâ,l, will .â¢a>v. tthil-l inlrv on the iwri "' -'"^ '"" â ' «'" â¢*⢠â ''"" "" Al 'hi- upi^r part I ,«,«â. i, nât .I,,,..! ii, but tajHT, t., a ,,.ânt .1 .traiKht , . â«inK. Th--- mMV 1m. ,,â, .â »;aiii>t from ..utMil,. with,,,,! yirhlinn, but v,rv ^liulit pn,,iire frnni »ilhin will -rve l(, separate .ind the optniiiK, At a little .listan.,- tin- Mnuture ,, r.|Hale,l, â, that the rhr>.aliahtv iH^hinii Iw. ii(Kir> which no ob-trm lion to the moth. In a North ,|h-, ies ol -ilk-nioth ' tlii> tvjH. of is improved upon. Iliere are in faet two , one within the other with a paekinK o spun tlireads between the two walls, whi, h keep the inner <,^oon in plaee, as shown in tlie photo(.raph of the in seetion. This arrangement must protect Ih,. contaiiud . hrvsalis from ^reat chanKes of temperature â hut pu//le. Vââ(l,., ⢠..,,., , . r 1"!'- AkRINUI SlLK-MlJTH. !«. ,.. ^^^â¢^^T^^.i:!^i^^'::^^:iiX::^^,r::^^;itv.^^^ - tliouRh admirable for the chrysalis and the moth, it is not appreciated by those «lio would convert its filaments into woven tissues. The upper open end of the m-,K)n makes it a difficult matter to unwind the silk, and so it does not appear to have a high commercial value, though it is said to have hc^en successfully woven mto stockings. As the cocoon is three inches or more in length and nearly an inch and a halt broad, one would that the extra quantity of silk would up for the defect. In California, however, a smaller memb^-r of the same family i> leared for the sake of its silk much as is the silkworm ol the old world The .'rropia-moth, as may be supposed from the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1915
