As nature shows them; moths and butterflies of the United States, east of the Rocky mountainsWith over 400 photographic illustrations in the text and many transfers of species from life . )upa. Cocoon of Telea polyphenms. state. The cocoon is usually spun among the leaves still on thetree, and generally falls to tlie ground with the leaves. The silk isstrong, nearly white and of a silvery lustre, and as it is spun in acontinuous thread, it may with care be unwound after soaking inAvarm water in which lias l)een dissolved a little liakino^ soda. This BOMBYCIDS. Ill silk luis been used for niaii
As nature shows them; moths and butterflies of the United States, east of the Rocky mountainsWith over 400 photographic illustrations in the text and many transfers of species from life . )upa. Cocoon of Telea polyphenms. state. The cocoon is usually spun among the leaves still on thetree, and generally falls to tlie ground with the leaves. The silk isstrong, nearly white and of a silvery lustre, and as it is spun in acontinuous thread, it may with care be unwound after soaking inAvarm water in which lias l)een dissolved a little liakino^ soda. This BOMBYCIDS. Ill silk luis been used for niaiiufacturiiig- into tal)rics, and altliougli ithas not tiie iineness of I he silk of Boinhyx mori, it is exceedinglydurable and beautiful, and a garment made from it Avould probablylast a life-time. Mauy experiments have beeu tried from tiiue to time with theview of making this insect of commercial value as a silk producer,.but thus far, I believe, without success. The greatest difficultyseems to be to unwind the silk from the cocoons rapidl} enough andin a sufificiently large (}uaiitity to make the operation financially suc-cessful. It seems as if liere was a fair field for the. inventor
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherbosto, bookyear1900
