PLATE IV. 

 ( COCOONS, NAT. SIZE.) 



Fig. I. Chinese White race. 



Fig. 2. Japanese White race. 



Fig. 3. Spherical shape. 



Fig. 4. Bagdad race, white. 



Fig. 5. Bagdad race, faintly greenish. 



Fig. 6. Bagdad race, more strongly greenish. 



"Fig' 7- Japanese Green race. 



Fig. 8. Turkish and French Yellow race. 



Fig. 9. Istrian race. 



Fig. 10. Creamy yellow from a "break-down" lot. 



Fig. ii. Stronger yellow from a "break-down" lot. 



Fig. 12. Golden yellow from a "break-down" lot. 



Fig. 13. Italian Salmon race. 



Fig. 14. Italian Yellow race. 



Fig. 15. Yellow-salmon from a "break-down" lot. 



