ILLUSTRATIONS. 



Paga 



Fig. 1. — Adult silkworm ,..„.«. 5 



2. — Silk glands in a mature worm 6 



3. — The chrysalis 1 



4. — The moth — male and female 8 



5. — Mulberry cuttings 10 



6. — Light movable shelves 12 



7. — The rearing room 13 



8. — Hot water incubator 15 



9. — Net used in changing beds 20 



10. — Perforated paper used in changing beds in the second and third ages. 21 



11. — Arrangement of spinning places 26 



12. — Worms affected with fiacherie dying in the brush 29 



13. — Worm which died from fiacherie putrefying after death 30 



14. — Worm emaciated from gattine after the fourth molt 31 



15. —Calcinated worm 31 



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