1-Silkworm Eggs. 2-Silkworm. 3-Pupa in Cocoon. 4-Cocoon. 5-Male Moth. 6-Female Moth. 7— Unspun bilk. 8—Raw Manufactured Silk. 9— Manufactured Silk.,

Description

This page of the book is from "The New Student's Reference Work: Volume 4" by Chandler B. Beach, Frank Morton McMurry and others.

1-Silkworm Eggs. 2-Silkworm. 3-Pupa in Cocoon. 4-Cocoon. 5-Male Moth. 6-Female Moth. 7— Unspun bilk. 8—Raw Manufactured Silk. 9— Manufactured Silk.,