I 
R E P 0 R T 
TO 
GENERAL SIR THOMAS MAKDOUGALL BRISBANE, BART., 
G.C.B., G.C.H., D.C.L., LL.T)., F.R.S., P.R.A.S., H.M.R.I.A., PRESIDENT OF THE ROYAL SOCIETY OF 
EDINBURGH, AND CORRESPONDING MEMBER OP THE INSTITUTE OF FRANCE, 
ON THE COMPLETION OF THE 
PUBLICATION, IN THE TRANSACTIONS OF THE ROYAL 
SOCIETY OF EDINBURGH. 
OBSERVATIONS MADE IN HIS OBSERVATORY AT 
MAKERSTOUN. 
By JOHN ALLAN BBOUN, 
LATELY DIRECTOR OF THE OBSERVATORY. 
EDINBURGH: 
PRINTED BY NBILL AND COMPANY. 
MDCCCL. 
