File:Silk; its origin, culture, and manufacture; (1911) (14592453367).jpg

Identifier: silkitsorigincul00shef (find matches)
Title: Silk; its origin, culture, and manufacture;
Year: 1911 (1910s)
Authors: Sheffeld, Charles Arthur, b. 1873
Subjects: Silk Silk industry Sericulture
Publisher: Florence, Mass., The Corticelli silk mills
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation

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gummy lining. Pushing asidesome of the silken threads and breaking others, withcrimped and damp wings the moth emerges ; and the exitonce effected, the wings soon expand and dry. The escape of the moth, however, breaks so manythreads that the cocoons are ruined for reeling, and con-sequently, when ten days old, all those not intended forseed are placed in a steam heater to stifle the chrysalis,and the silk may then be reeled at any future time. ^^—-.— _ The moths are cream white x ^ in color. They have no mouths, ^ but do have eyes, which is just ^ 0 ,* .*• the reverse of the case of the / • », * * „ . . worm. From the time it be- • •*, .,»«*•• ., , • gins to spin until the moth • * * • *, ••sV. • -* clies, the insect takes no nour- »•* •*. • « J ;*•■..*• ishment. The six forward **•*,*••*,: legs of the worm become the % * ,* legs of the moth. Soon after mating the eggs are laid. Eggs op the Silkworm Moth. The male has broader feel-
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ers than the female, is smaller in size, and quite active.The female lays half her eggs, rests a few hours, and thenlays the remainder. Her two or three days life is spentwithin a space occupying less than six inches in diameter. One moth lays from three to four hundred eggs, depos-iting them over an even surface. In some species agummy liquid sticks the eggs to the object upon whichthey are laid. In the large cocoon varieties there are fullthirty thousand eggs in a single ounce avoirdupois. Ittakes from twenty-five hundred to three thousand cocoons

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