Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . Fig. 2-27. of a good quality. Mr. W. V. Andrews urges, in the AmciicanNaturalist (vol. ii, p. 311), the cultivation of the Cjaithia silk-worm in this country, as it is double-brooded, our native spe-cies bearing but a single crop of worms. It feeds on the ail-anthus, and can be reared in the open air. Among many alliedforms, generally referred to the genus Attacus but which stillneed revision, are the ^1. Mt/Iitta (Tussah worm), from Chinaand Indi


Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . Fig. 2-27. of a good quality. Mr. W. V. Andrews urges, in the AmciicanNaturalist (vol. ii, p. 311), the cultivation of the Cjaithia silk-worm in this country, as it is double-brooded, our native spe-cies bearing but a single crop of worms. It feeds on the ail-anthus, and can be reared in the open air. Among many alliedforms, generally referred to the genus Attacus but which stillneed revision, are the ^1. Mt/Iitta (Tussah worm), from Chinaand India ; A. Pernyi, from Manchouria, which feeds on the oak,and which has been raised in France, and tlie Japanese AnthercBaTama-mai, all of which produce silk, though less reared inEurope than the Cynthia worm. The silk of the Yama-maijnoth approaches nearest that of B. raori, and as it feeds on. BOMBYCID^. 297


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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects