400 OBSERVATIONS ON THE DISEASES, &C. 



Composition for the benefit of the public, which 

 we conceive should be given separately. 



We are, Sir, 



Your most obedient Servants, 



John Call, 

 John Fordyce. 



jV/r. William Forsyth, 



No. III. 



To the Honourable the Commissioners of the Zjand Bevenue. 



Royal Gardens, Kensington, April 2S, 1789. 



Honoured Sirs, 



I presume I need not again assign 

 the reason why I omitted in my former letter men- 

 tioning the expence which will be incurred by cut- 

 ting out the injured parts of the trees, and the ap- 

 plication of my Composition. I have endeavoured 



