. The American entomologist. Entomology. 5^ THE AMERICAN ENTOMOLOGIST. THE AILANTHUS SILK-WORM. (Attacus \^Sa»iia] cynthia.) [In the last number of Science News, a worthy monthly, the discontinuance of which we regret, we gave some account of the Ailanthus Silk-worm, and herewith reproduce portions of the article.—Ed.] The serious failure of the French silk crop the present year has caused renewed attention to be paid to other silk produc- [Fig. twisting of several of the simple threads to- gether. The difficulty in thus twisting or combining several threads of this silk has in the past proved
. The American entomologist. Entomology. 5^ THE AMERICAN ENTOMOLOGIST. THE AILANTHUS SILK-WORM. (Attacus \^Sa»iia] cynthia.) [In the last number of Science News, a worthy monthly, the discontinuance of which we regret, we gave some account of the Ailanthus Silk-worm, and herewith reproduce portions of the article.—Ed.] The serious failure of the French silk crop the present year has caused renewed attention to be paid to other silk produc- [Fig. twisting of several of the simple threads to- gether. The difficulty in thus twisting or combining several threads of this silk has in the past proved the greatest hindrance to successful ailanti-culture. In view of the renewed interest manifested in the sub- ject, an account of the insect will prove timely, and interesting. 16.]. Attacus cvnthia :—a, eggs ; b, larva ; c, cocoon ; d, chrysalis ; e, female moth (after Riley). ing worms. A recent article in the London Times draws attention to the fact that one of the principal difficulties in the way of utilizing the silk of the Ailanthus silk- worm has been removed by a device in- vented by M. Le Doux, that facilitates the unwinding of the cocoon and permits the The Ailanthus silk-worm is the only species of the different worms which have been introduced from Asia, either into Europe or America, which has proved of a hardy nature ; or which has become fully acclimated. The vigor of its constitution may be likened to the characteristics of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Metcalf Collection (North Carolina State University). NCRS. New York : Max Jaegerhuber
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectentomology, bookyear1
