THE 



Culture of S I L K. 



TA R T I. 



CHAP, h 



Some ifitrodiiBory obfervations on the breeding 

 of Silkworms i with regard to different cIi-»- 

 mates, 



NEITHER Animals nor Plants^ 

 when tranfpoited from one cli- 

 mate to another of a different 

 temperature, are immediately natura- 

 lized j there is fome time required, and 

 often fome fucceffions of generation, be- 

 fore their nerves and fibres can adapt 

 themfelves to the different influence of the 

 air and fun ; and if the feafons were ftea- 

 dy and regular in their native country, 

 but mutable and irregular in that to which 

 B they 



