Summary of the Principal Chinese Treatises

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. It has been ascertained, by laying before silk worms at the same time various kinds of mulberry leaves, they will eat first the white, next the red, and lastly the black, in the order of the tenderness of the leaves...