Xll PREFACE. 



having in a great meafure moulded Mr Nicolas 

 obfervations into my own ftyle) ; if I have 

 fucceeded in being tolerably plain and perfpi- 

 cuous, and not very ungrammatical, this is all 

 I have aimed at, and all, in my opinion, that 

 ought to be required of a practical man. 



EDW. SANG. 



NURSERIES, KIRKCALDY, 

 1st April, 1812. 



CON- 



