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EXPLANATION OF PLATES. 
Fig. 21. Branch of mulberry tree bearing 
male cocoons and female 
scales in masses. I / 1 
Fig. 22. Female pupa taken out of a scale. 
Ventral view. B. oc. i 
Fig. 23. Posterior portion of female pupa. 
Dorsal view. D. oc. 1 
Fig. 24. Posterior portion of female pupa. 
Ventral view. ,, 
