SILK-WORMS. 95 
of eggs, until the accomplishment of their second 
casting, or moulting. 
These trays or tables, as I before mentioned, 
should always be covered with strong paper. The 
temperature to keep the •worms' in, during their 
second age, should be, as I said before, 73° and 
75°. The insects should not be lifted from their 
litter until they are nearly all revived. I will 
explain the manner of removing them shortly. 
There is no harm in waiting till they are all well 
awake and stirring, even should it be for twenty 
or thirty hours from the time when the few first 
began to revive. 
When a great number of worms issue from the 
sheets of paper where they were placed, it is a 
sign that they should be removed from their lit- 
ter, and removing them a little sooner the others 
will soon revive also. 
We have said already that, during the first age, 
most cultivators destroy the life and destroy the 
health of a vast number of ■worms by not attend- 
ing to them sufficiently ; and consequently it fre- 
quently happens that beyond that age they have 
worms of unequal sizes, a very great defect, which 
is never remedied. 
This inequality, and the evils resulting from it, 
as I shall demonstrate (Chap. XII.), are caused, 
1st. By not having placed the silk- worms in a 
Ipace proportional to their growth in the course of 
