DISEASES OF SILKWORMS. 149 
pare with them. Those without lime never pro- 
duced more than three small and imperfect cocoons, 
while in those which were sprinkled with lime, I 
had very often twelve, and never fewer than nine 
full-sized cocoons.” He found that even a large 
proportion of lime had no bad effect on the worms. 
The method which Count Dandolo practised, was 
the fumigation of the apartments with chlorine gas, 
although this is attended with danger. Chlorade 
of lime, however, is less hazardous, and produces 
equally beneficial effects in clearing apartments of 
noxious yapours. 
