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Excerpt from Silk Throwing and Waste Silk Spinning After hatching, the worm begins at once to feed, and is most voracious, doing nothing but eat for from three to five weeks, when it is full grown, having in the meantime cast its skin no less than three or four times. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.