A 
COURSE OF LECTURES, 
Sfc. 
LECTURE I. 
INTRODUCTION. GENERAL VIEWS OF THE OBJECTS OF 
THE COURSE, AND OF THE ORDER IN WHICH THEY 
ARE TO BE DISCUSSED. 
It is with great pleasure that I receive the per- 
mission to address so distinguished and enlightened 
an Audience on the subject of Agricultural 
Chemistry. 
That any thing which I am able to bring for- 
ward, should be thought worthy the attention of 
the Board of Agriculture, I consider as an honour ; 
and I shall endeavour to prove my gratitude, by 
employing every exertion to illustrate this depart- 
ment of knowledge, and to point out its uses. 
In attempting these objects, the peculiar state 
of the enquiry presents many difficulties to a Lec- 
turer. Agricultural Chemistry has not yet re- 
ceived a regular and systematic form. It has 
been pursued by competent experimenters for a 
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