THE SILK WORM. 159 



K 







complish their fourth age.' In about seven days tliey 

 have accomplished their fourth moulting, and cast 

 their skins. They have consumed in that period, 

 two hundred and seven pounds of leaves for each 

 ounce of eggs, or 40,000 worms. 



"23d day. Since the preceding day, almost all the 

 worms must have accomplished their fourth moulting, 

 and be already roused. The worms proceeding from 

 one ounce of eggs, in the fifth age, consume about 

 one thousand and ninety-eight pounds of sorted, pick- 

 ed leaves, which makes the quantity of leaves requi- 

 site for the five ounces, to be five thousand four hun- 

 dred and ninety pounds weight. 



" 24th day. For this day will be wanted two hun- 

 dred and seventy pounds of sorted leaves, divided in- 

 to four meals ; the first of which should be the least, 

 of about fifty-two pounds ; and the last most plenti- 

 ful, of ninety-seven pounds. 



" 25th day. This day the worms will require 

 about four hundred and twenty pounds of sorted 

 leaves. The first feed of seventy-seven pounds; the 

 last should be the largest, and of about one hundred 

 and twenty pounds. , 



cc 26th day. This day the worms will want five 

 hundred and forty pounds of sorted leaves. The first 

 feed should be of one hundred and twenty pounds, and 

 the last of one hundred and fifty. 



"27th day. The worms will require this day 

 eight hundred and ten pounds of sorted leaves. The 



