114 THE CULTURE 

 from their accounts, efpecially for the firft 

 ficknefs, fome fixing it to the feventh or 

 eight day after hatching, and others not 

 till the twelfth : but MalpighiiiSj in his ac- 

 curate anatomy of the filkworm, fays that 

 thofe worms which he hatched in May were 

 eleven days old before they fell into their 

 firft ficknefs , thofe hatched in July ten 

 days, and thofe hatched in Auguji not quite 

 nine : yet as he obferves thefe times vary 

 according to the weather and other circum- 

 flances. Some French authors fix the feventh 

 or eighth day for the firfl ficknefs, in 

 France, and I found it to be about the 

 the fame time in England. 



That you may not be at a lofs for the 

 time of their firfl: ficknefs, upon which the 

 other three depend, I will be fomewhat 

 more particular concerning its approach, 

 and concerning the appearances which the 

 filkworm has during its firfl: age; becaufe 

 from its fmallnefs, at this time, they might 

 efcape a common obferver. 



The filkworm when it comes out of the 

 egg appears quite black, this in two or 

 three days changes to a light moufe co- 

 lour : upon the approach of its firft fick- 

 nefs, the head begins to fwell fo as to be 



apparently 



