SILK-WORMS. 
37 
2d, Of the necessity of fixing, by the thermome- 
ter, the temperature calculated to favour the hatch- 
ing of the egg, and the rearing of the silk-worm. 
3d, Of the hot-house, or stove-room, in which 
they must be hatched. 
4th, Of the hatching. 
I. We suppose the eggs to be good and well 
preserved, as I shall indicate in the course of this 
work. (Chap. X.) 
Towards the end of March, the cloths upon 
which the eggs are fastened are conveyed into a 
room calculated for the purpose ; the cloths, 
being doubled, should be put into a pail of well 
or cistern-water, steeped up and down, that they 
may be thoroughly soaked, and they should lie 
in the water nearly six minutes, which will be 
sufficient to dissolve the gummy substance by 
which the eggs are stuck to the cloth. There 
must be in this room tables proportioned to 
the size of the cloths. The six minutes elapsed, 
the cloths must be taken out, and the water al- 
lowed to drip from them, by holding them up for 
two cr three minutes. They should then be placed 
upon the tables, partially or entirely spread out. 
The cloth should be kept well stretched while 
the eggs are separated from the cloth ; with a 
scraper, (Fig. 3.) they come off by degrees: the 
scraper should not be too sharp, for fear of cutting 
