required to producesewing silk of average thickness and strength, it appearsthat fully five million miles of this gossamer fibre is con-sumed weekly in the manufacture of Corticelli silk, to pro-duce which more than twenty million silk-worms are strippedof their robes. The following cuts show the… … Fig. 35—a, b, c, d.— Mulberry Leap a V1 SilkwJS1?^ Gg?f; lif(L8ize- *• Silk-worm one day old; life size.life size dayS °ld; life 8ize *- Silk-worm seven days old; At the expiration of from twenty-five to forty days, ac-cording to circumstances and species of worm, they cease to •astle s ejec jail…
![An illustration from Episodes of insect life / by Acheta Domestica, [pseud.] ;edited and revised by J.G. Wood. (1879)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b28066340-84-1.webp)
![An illustration from Episodes of insect life / by Acheta Domestica, [pseud.] ;edited and revised by J.G. Wood. (1879)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b28066340-366-1.webp)
