OF SILK. 123 



long except the firfl:, which is about feven, 

 and the laft which is about ten, in the cli- 

 mate of England 'y but in a warm feafon, 

 or in warmer climates. None of their 

 ^ges are of fo long duration. 



The fizeof the filkwormwhen firft hatch- 

 ed, and at its recovery from each moulting 

 is fliewn, Plate I. Fig. VI. the little curve 

 line at top fliews it juft hatched. The 

 numbers i, 2, 3, 4, -fhews its fize at the 

 moultings which correfpond to them ; the 

 horizontal line being its length, and the 

 perpendicular its diameter ; and number 5, 

 fhews it a little before it is ready to fpin 3 

 for, when quite ready, its fize is fomewhat 

 leflened. 



CHAP. VIII. 



Of feeding and managing the filkworms during 

 their two fir ft ages^ or till they pafs their 

 fecond moulting. 



'T^HE filkworm's life, unto the time 



"*- when it is ready to produce its filk, 



has been divided into five ages, reckoning 



one age at each recovery from moulting, 



and 



